Pith Number

pith:EYXY4TXS

pith:2011:EYXY4TXS7UJKZVS7L4CZZTGUQJ

not attested not anchored not stored refs pending

AstroDAbis: Annotations and Cross-Matches for Remote Catalogues

Dave Morris, Keith Noddle, Mark Holliman, Norman Gray, Robert G Mann

arxiv:1111.6116 v1 · 2011-11-25 · astro-ph.IM · cs.DL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EYXY4TXS7UJKZVS7L4CZZTGUQJ}

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	2026-05-18T04:07:31.801825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

262f8e4ef2fd12acd65f5f059cccd4825e8165b57d38caa5fdccfe335ade510b

Aliases

arxiv: 1111.6116 · arxiv_version: 1111.6116v1 · doi: 10.48550/arxiv.1111.6116 · pith_short_12: EYXY4TXS7UJK · pith_short_16: EYXY4TXS7UJKZVS7 · pith_short_8: EYXY4TXS

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/EYXY4TXS7UJKZVS7L4CZZTGUQJ \
  | 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: 262f8e4ef2fd12acd65f5f059cccd4825e8165b57d38caa5fdccfe335ade510b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c699547677dd60c686b81bcad657ac485042a3c1c11122fc7cf5c572a589902e",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-11-25T21:22:42Z",
    "title_canon_sha256": "db397faf13ce3618991f771900acf17a30959719d7301dbbf4b86295f915909b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6116",
    "kind": "arxiv",
    "version": 1
  }
}