Pith Number

pith:FCR4ECR5

pith:2017:FCR4ECR563275YGD3BYSWC2XIS

not attested not anchored not stored refs pending

Reliable Granular References to Changing Linked Data

Chris Evelo, Egon Willighagen, Emilio Centeno, Laura I. Furlong, N\'uria Queralt-Rosinach, Tobias Kuhn

arxiv:1708.09193 v1 · 2017-08-30 · cs.DL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCR4ECR563275YGD3BYSWC2XIS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:36:20.681658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a3c20a3df6f5fee0c3d8712b0b5744bd3fdb797b4c3be21352ac1e3e3ba460

Aliases

arxiv: 1708.09193 · arxiv_version: 1708.09193v1 · doi: 10.48550/arxiv.1708.09193 · pith_short_12: FCR4ECR56327 · pith_short_16: FCR4ECR563275YGD · pith_short_8: FCR4ECR5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FCR4ECR563275YGD3BYSWC2XIS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 28a3c20a3df6f5fee0c3d8712b0b5744bd3fdb797b4c3be21352ac1e3e3ba460

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b293d9a62cd4df03e59d875cd77634849f30d63334b2358f3c90ddf9ca2ce934",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-08-30T09:30:54Z",
    "title_canon_sha256": "ed8ad6441d76c8714c999bcac929087d8f6dcb1e6e2f82851e219c4737267d62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09193",
    "kind": "arxiv",
    "version": 1
  }
}