Pith Number

pith:W3RAC43P

pith:2011:W3RAC43PDT2GYUQGFHAQRO6NKG

not attested not anchored not stored refs pending

Semantic Integration in the IFF

Robert E. Kent

arxiv:1109.0032 v1 · 2011-08-31 · cs.DL · cs.LO · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W3RAC43PDT2GYUQGFHAQRO6NKG}

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	2026-05-18T04:14:16.145505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6e201736f1cf46c520629c108bbcd51b391e4a08845936e4ba0534ccdb846a2

Aliases

arxiv: 1109.0032 · arxiv_version: 1109.0032v1 · doi: 10.48550/arxiv.1109.0032 · pith_short_12: W3RAC43PDT2G · pith_short_16: W3RAC43PDT2GYUQG · pith_short_8: W3RAC43P

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/W3RAC43PDT2GYUQGFHAQRO6NKG \
  | 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: b6e201736f1cf46c520629c108bbcd51b391e4a08845936e4ba0534ccdb846a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1be20b9028fcb7497d97b90b3d7640a3f901aea922af9303613aac0607f738b3",
    "cross_cats_sorted": [
      "cs.LO",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2011-08-31T20:45:08Z",
    "title_canon_sha256": "861ec3db5c07580eec65d317981103301633adc9cd6b261f7dfc3edf3282350f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0032",
    "kind": "arxiv",
    "version": 1
  }
}