Pith Number

pith:ALTLIT2I

pith:2013:ALTLIT2INLP2KRLHH5JO2Z5LSH

not attested not anchored not stored refs pending

Web Annotation as a First Class Object

Paolo Ciccarese, Stian Soiland-Reyes, Tim Clark

arxiv:1310.6555 v3 · 2013-10-24 · 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{ALTLIT2INLP2KRLHH5JO2Z5LSH}

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	2026-05-17T23:50:52.814010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02e6b44f486adfa545673f52ed67ab91e10189c69486930e840729ce02737e97

Aliases

arxiv: 1310.6555 · arxiv_version: 1310.6555v3 · doi: 10.48550/arxiv.1310.6555 · pith_short_12: ALTLIT2INLP2 · pith_short_16: ALTLIT2INLP2KRLH · pith_short_8: ALTLIT2I

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/ALTLIT2INLP2KRLHH5JO2Z5LSH \
  | 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: 02e6b44f486adfa545673f52ed67ab91e10189c69486930e840729ce02737e97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f439770aa22deffd2814e5c30ddee1758520c61a4fb42950f9067f69b79e01c7",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2013-10-24T10:40:14Z",
    "title_canon_sha256": "3935b207b37b6c4a8ad7a1e2622511cd0cc2ce9a8452ff4a7950856aa7a4ee4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6555",
    "kind": "arxiv",
    "version": 3
  }
}