Governed by Xpertno Research Center

SEIPID — Persistent Identifier
Infrastructure for Scholarly Platforms & Outputs

SEIPID Infrastructure issues persistent identifiers (SEIPIDs) to all types of scholarly outputs and Namespace Identifiers (NiDs) to registered scholarly platforms—including journals, repositories, archives, and publishers. Independent public metadata records, citation tracking, and structured metadata for search engines and AI systems help keep platforms and their outputs identifiable, citable, and discoverable—even when their original websites change or become unavailable.

Your scholarly platformNamespace ID 001:xijir Its own public metadata record
An individual scholarly workOutput SEIPID 001:xijir:2026n1
Your platform. Your research.
A lasting identity.

What does SEIPID Infrastructure provide?

  • Stable, citable persistent identifiers (SEIPIDs) for articles, datasets, theses, and more.
  • Supports search engine indexing and AI discovery through structured, machine-readable metadata.
  • Citation tracking — cited-by connections at output, namespace, and author level.
  • Unique Namespace IDs and dedicated public metadata records for scholarly platforms.
  • Persistent resolution and preserved metadata when source websites change or go offline.
  • Reusable CC0 metadata, ready-to-use citations, and downloads such as BibTeX and JSON-LD.
  • One account to manage multiple namespaces, scholarly records, and authorised team members.

The Old Way

Many journals worldwide remain invisible due to cost, unaffordability, and complexity.

The SEIPID Way

Affordable identifiers for inclusive, global scholarship — including free two-year access for eligible under-resourced journals.

The Old Way

Redirect-only resolution — dead site equals dead discovery.

The SEIPID Way

Resolver + metadata fallback — discovery continues even if the site is offline.

The Old Way

Minimal metadata stored for citation use only.

The SEIPID Way

Rich metadata records: abstract, references, and structured bibliographic details.

Why should scholarly identity outlast a website?

Research Links That Survive
Website Failure

Scholarly links break far more often than people realize. When a publisher moves domains, redesigns its site, or shuts down, the URLs behind thousands of citations quietly stop working — a well-documented problem known as link rot, or reference decay. The research still exists; it just can no longer be reached where the citation points.

That is the gap SEIPID closes. Every registered output keeps an independent, permanent metadata record, so the identifier keeps resolving even when the publisher's original link dies — still showing what the work is, who wrote it, and where it lived. Citations stay valid and the scholarly record stays discoverable, without SEIPID ever hosting the full text.

Core Principles

Our Values

Persistence Above All

Integrity

Accessibility

Inclusivity

What We Provide

  • Stable, citable SEIPIDs for articles, datasets, theses, and more
  • Metadata-based issuance with structured records
  • Affordable identifier plans
  • Public registry + resolver infrastructure
  • Citation tracking — cited-by at article, journal, and author level

The Old Way

Many journals worldwide remain invisible due to cost, unaffordability, and complexity.

The SEIPID Way

Affordable identifiers for inclusive, global scholarship — including free two-year access for eligible under-resourced journals.

The Old Way

Redirect-only resolution — dead site equals dead discovery.

The SEIPID Way

Resolver + metadata fallback — discovery continues even if the site is offline.

The Old Way

Minimal metadata stored for citation use only.

The SEIPID Way

Rich metadata records: abstract, references, and structured bibliographic details.

SEIPID vs DOI

How does SEIPID compare with DOI-based services?

SEIPID brings persistent identification, dedicated public records, source-link monitoring, citation tools, and shared management together for scholarly platforms and their outputs.

DOI-based services
SEIPID Infrastructure
Identifier
A number prefix for the publisher (10.xxxxx), followed by any suffix the publisher chooses.
Starts with the platform’s own persistent Namespace ID (NiD), followed by a meaningful suffix: 001:xijir:2026n32 is year 2026, entry 32.
Platform identity
Journal-title DOIs are available; platform profiles and grouping depend on the service.
Each approved namespace receives its own Namespace ID and public profile, connecting the platform with its registered outputs.
Independent public output records
Public records are available through services such as DataCite Commons.
Each registered output has a dedicated SEIPID metadata record, maintained independently of its source website.
When the source becomes unavailable
Continuity arrangements depend on the provider and registrant. DataCite places tombstone-page maintenance with the repository and does not create these pages automatically.
Monitored resolution with automatic metadata fallback keeps the work identifiable when its registered source becomes inaccessible.
Source-link monitoring
Available through some agencies, including DataCite’s link-checking service.
Source-health monitoring works together with fallback records and destination updates through the portal.
Citation information
Crossref Cited-by and DataCite Commons provide citation relationships and related services.
References, cited-by connections and citation information are brought together at output, namespace and author levels in Advanced Metrics.
Ready-to-use citations and exports
Formatted citations, BibTeX and RIS are available through agency services.
Citation styles and metadata downloads are accessible directly from the public scholarly record.
Reference checker
Crossref matches references to DOIs; citation style is not checked.
Each reference is checked against APA, Harvard, Chicago, MLA, IEEE and Vancouver, so editors see at once which ones do not follow their style.
Search and AI discovery
Machine-readable metadata and discovery services are available, including JSON-LD exports.
Dedicated namespace and output pages provide structured, machine-readable metadata, supporting search engines, scholarly tools and AI systems.
Open metadata reuse
DataCite metadata is available under CC0; terms differ across other services.
Public metadata is provided under CC0, with downloads for reuse and integration.
Managing platforms and teams
Account structures and permissions depend on the registration service or management platform.
Manage multiple approved namespaces through one account, with separate team logins and assigned namespace permissions.
Resolution activity
Reporting depends on the agency; Crossref provides monthly resolution reports.
View resolution activity, including reader and detected machine/AI activity, through SEIPID’s reporting tools.
Cost
Crossref, the main DOI agency for journals: a membership fee from $200 a year, plus $1 for each article (standard 2026 prices).
From $49.99 a year + $0.47 per SEIPID, with Advanced Metrics free for the first year. Free two-year access for eligible under-resourced journals.

SEIPID is not a DOI — it is an independent identifier with its own resilient resolution. The two can coexist.

Impact Snapshot

SEIPID Platform Growth

A quick overview of registry activity and system reliability.

0
Identifiers Assigned
0
Uptime
Identifiers-assigned and uptime figures reflect internal registry metrics and may update periodically; the resolution counter above is live.
Find the SEIPID Record

Resolve a SEIPID

Frequently Asked Questions (FAQs)

What is SEIPID?

SEIPID is the Scholarly Entity International Persistent Identifier Infrastructure, governed and operated by Xpertno Research Center (XRC). It issues unique, persistent identifiers (SEIPIDs) to scholarly outputs and Namespace Identifiers (NiDs) to registered scholarly platforms, including journals, repositories, archives, publishers, scholarly presses, and conference organisations.

Through persistent resolution and independent public metadata records, SEIPID helps keep scholarly platforms and their outputs identifiable, citable, and discoverable—even when their original web addresses change or become unavailable.

What is the difference between a Namespace ID (NiD) and a SEIPID?

A NiD identifies a registered scholarly platform and is issued after successful namespace registration. The platform has its own public record, whether or not it has registered any scholarly outputs.

A SEIPID identifies an individual scholarly output registered under that NiD, such as an article, book, thesis, or dataset. Each registered output receives its own unique, persistent SEIPID.

For example, a journal has its own NiD, while each article registered under that journal receives its own SEIPID.

What does my scholarly platform gain with SEIPID?

SEIPID helps your scholarly platform and its research become easier to discover, understand, cite, and reuse. Structured public metadata, including JSON-LD, supports search engine indexing and AI-powered discovery, helping compatible systems recognise your platform, its outputs, contributors, and scholarly connections.

Your platform receives its own persistent Namespace Identifier (NiD) and dedicated public profile. Each registered scholarly output receives its own SEIPID and independent metadata record, preserving its identity and discoverability when the original website changes or becomes unavailable.

Readers gain ready-to-use citations, sharing tools, and metadata downloads. Your team gains citation insights, source-link monitoring, and centralised management of multiple namespaces and their outputs—with separate logins and assigned permissions under one account.

What happens if the original website becomes unavailable?

When a registered output’s source becomes inaccessible, its SEIPID resolves to the corresponding public metadata record maintained by SEIPID. Readers can still identify the work, view its descriptive information, and access citation and metadata tools. SEIPID preserves the metadata record; the source platform remains responsible for the full-text files.

What do I pay for when using SEIPID?

SEIPID charges an annual service fee for your account’s selected plan. SEIPID credits are purchased separately at the applicable rate and can be used across your approved namespaces. The pricing page lists current fees, purchase allowances, namespace capacity, team access, and available offers.

How do I get started with SEIPID?

Request an account as an authorised representative of an eligible scholarly platform. After account approval, submit your namespace for review through the SEIPID Portal and complete website verification. Once your namespace is approved and verified, you can begin registering scholarly outputs with appropriate service access and sufficient SEIPID credits.

Start Registering Scholarly Outputs with SEIPID