Pith Number

pith:RZFUWEAR

pith:2014:RZFUWEARHW7FDTK2JRYNOXQNOA

not attested not anchored not stored refs pending

Trusty URIs: Verifiable, Immutable, and Permanent Digital Artifacts for Linked Data

Michel Dumontier, Tobias Kuhn

arxiv:1401.5775 v3 · 2014-01-16 · cs.CR · cs.DL · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZFUWEARHW7FDTK2JRYNOXQNOA}

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	2026-05-18T02:50:58.621589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e4b4b10113dbe51cd5a4c70d75e0d701c470fb113d390115750b55a0935d80c

Aliases

arxiv: 1401.5775 · arxiv_version: 1401.5775v3 · doi: 10.48550/arxiv.1401.5775 · pith_short_12: RZFUWEARHW7F · pith_short_16: RZFUWEARHW7FDTK2 · pith_short_8: RZFUWEAR

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/RZFUWEARHW7FDTK2JRYNOXQNOA \
  | 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: 8e4b4b10113dbe51cd5a4c70d75e0d701c470fb113d390115750b55a0935d80c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16c8e2d4eeb619cdaa86a4c5ca131cc9c642e63f865f66167976a89982c3f78b",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.NI"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2014-01-16T14:23:43Z",
    "title_canon_sha256": "c9527105d3531aa00d4620e28bac754315df6119f66741de99bd1e34a63c538a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5775",
    "kind": "arxiv",
    "version": 3
  }
}