Pith Number

pith:PZX3XV2A

pith:2017:PZX3XV2AITKZB4BDDPMIOZE2HW

not attested not anchored not stored refs pending

Calculating Semantic Similarity between Academic Articles using Topic Event and Ontology

Bo Lang, Ming Liu, Zepeng Gu

arxiv:1711.11508 v1 · 2017-11-30 · cs.CL · cs.AI · 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{PZX3XV2AITKZB4BDDPMIOZE2HW}

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	2026-05-18T00:29:11.398439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e6fbbd74044d590f0231bd887649a3da64621ee4a8c6c62ac77bbade004e926

Aliases

arxiv: 1711.11508 · arxiv_version: 1711.11508v1 · doi: 10.48550/arxiv.1711.11508 · pith_short_12: PZX3XV2AITKZ · pith_short_16: PZX3XV2AITKZB4BD · pith_short_8: PZX3XV2A

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/PZX3XV2AITKZB4BDDPMIOZE2HW \
  | 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: 7e6fbbd74044d590f0231bd887649a3da64621ee4a8c6c62ac77bbade004e926

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb64ac5409a59afdd1bb6242b2d07a8098934586ad082e835ea3465cc2f34589",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-11-30T16:58:46Z",
    "title_canon_sha256": "1965d8e1d6551cd0a51e8d90d1a44b859a24bd518116ec13e107e2ca33d1541c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.11508",
    "kind": "arxiv",
    "version": 1
  }
}