Pith Number

pith:T2NA6UHB

pith:2016:T2NA6UHBMXMQXJBPVUKYXFS3JL

not attested not anchored not stored refs pending

OntoCat: Automatically categorizing knowledge in API Documentation

Niraj Kumar, Premkumar Devanbu

arxiv:1607.07602 v1 · 2016-07-26 · cs.SE · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T2NA6UHBMXMQXJBPVUKYXFS3JL}

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	2026-05-18T01:10:28.197590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e9a0f50e165d90ba42fad158b965b4ae2f3f1a5702659804d68cc121a23640b

Aliases

arxiv: 1607.07602 · arxiv_version: 1607.07602v1 · doi: 10.48550/arxiv.1607.07602 · pith_short_12: T2NA6UHBMXMQ · pith_short_16: T2NA6UHBMXMQXJBP · pith_short_8: T2NA6UHB

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/T2NA6UHBMXMQXJBPVUKYXFS3JL \
  | 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: 9e9a0f50e165d90ba42fad158b965b4ae2f3f1a5702659804d68cc121a23640b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "688f4ded777c9989d80ba6736d2ed8ec5e8c1f625b7167e4df213b1399a10e1e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-07-26T09:19:46Z",
    "title_canon_sha256": "052ab7661fbd820b922960e807a80c69a59439e78122bb767b38ab931c4465e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07602",
    "kind": "arxiv",
    "version": 1
  }
}