Pith Number

pith:WFSAAYK7

pith:2018:WFSAAYK73B4YFCU2IY37T6MENF

not attested not anchored not stored refs pending

Exploring Combinations of Ontological Features and Keywords for Text Retrieval

Khanh C. Le, Tru H. Cao, Vuong M. Ngo

arxiv:1807.07966 v1 · 2018-07-20 · 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{WFSAAYK73B4YFCU2IY37T6MENF}

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	2026-05-18T00:10:14.571915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b16400615fd879828a9a4637f9f984697d92e6f9d2a40633f26c2b99c34a7740

Aliases

arxiv: 1807.07966 · arxiv_version: 1807.07966v1 · doi: 10.48550/arxiv.1807.07966 · pith_short_12: WFSAAYK73B4Y · pith_short_16: WFSAAYK73B4YFCU2 · pith_short_8: WFSAAYK7

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/WFSAAYK73B4YFCU2IY37T6MENF \
  | 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: b16400615fd879828a9a4637f9f984697d92e6f9d2a40633f26c2b99c34a7740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b8aa3a19dd845770cc4ebef7eff92d6d5373559a886b955a31f27291d22e70c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-07-20T10:30:26Z",
    "title_canon_sha256": "9abf018d905c15e0a5ba552de6ea1fa101d665228496413c094b03c975ae54bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07966",
    "kind": "arxiv",
    "version": 1
  }
}