Pith Number

pith:ABPU7J6I

pith:2018:ABPU7J6IWN5CAJKHJMOHP27XIN

not attested not anchored not stored refs pending

Semantic Search by Latent Ontological Features

Tru H. Cao, Vuong M. Ngo

arxiv:1807.05576 v1 · 2018-07-15 · 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{ABPU7J6IWN5CAJKHJMOHP27XIN}

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	2026-05-18T00:10:43.174750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

005f4fa7c8b37a2025474b1c77ebf7437cc8b5a9a258410543c5dd12cdaa2dc7

Aliases

arxiv: 1807.05576 · arxiv_version: 1807.05576v1 · doi: 10.48550/arxiv.1807.05576 · pith_short_12: ABPU7J6IWN5C · pith_short_16: ABPU7J6IWN5CAJKH · pith_short_8: ABPU7J6I

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/ABPU7J6IWN5CAJKHJMOHP27XIN \
  | 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: 005f4fa7c8b37a2025474b1c77ebf7437cc8b5a9a258410543c5dd12cdaa2dc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f58c699ad988cc41663dc4d60c6a808042dfb4f3634b5f2de410603813a6ac06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-07-15T17:08:45Z",
    "title_canon_sha256": "7792df7e34baa090de732278d811747297b9c9d62e3809b18b6a32c1491b48c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05576",
    "kind": "arxiv",
    "version": 1
  }
}