Pith Number

pith:635HLBZP

pith:2018:635HLBZPB7HZHFS3E2PEFLWELU

not attested not anchored not stored refs pending

Composite Semantic Relation Classification

Andre Freitas, Brian Davis, Siamak Barzegar, Siegfried Handschuh

arxiv:1805.06521 v1 · 2018-05-16 · 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{635HLBZPB7HZHFS3E2PEFLWELU}

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	2026-05-18T00:15:44.191875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6fa75872f0fcf93965b269e42aec45d2dbcf84a9d183b477e0f49f0c8ea1390

Aliases

arxiv: 1805.06521 · arxiv_version: 1805.06521v1 · doi: 10.48550/arxiv.1805.06521 · pith_short_12: 635HLBZPB7HZ · pith_short_16: 635HLBZPB7HZHFS3 · pith_short_8: 635HLBZP

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/635HLBZPB7HZHFS3E2PEFLWELU \
  | 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: f6fa75872f0fcf93965b269e42aec45d2dbcf84a9d183b477e0f49f0c8ea1390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f78b7194175f3f5acf8b458ccc11780fa47e3a72a8a02e4ef3a520bbe52ef980",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-05-16T20:41:33Z",
    "title_canon_sha256": "221a71676478c9617c28231da2c25965560f487bc3e1fb73d128f948e6e700ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06521",
    "kind": "arxiv",
    "version": 1
  }
}