Pith Number

pith:CS5VPBIT

pith:2019:CS5VPBITP7Q7R3X5MITHBBCHQU

not attested not anchored not stored refs pending

Transforming Complex Sentences into a Semantic Hierarchy

Andre Freitas, Christina Niklaus, Matthias Cetto, Siegfried Handschuh

arxiv:1906.01038 v1 · 2019-06-03 · 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{CS5VPBITP7Q7R3X5MITHBBCHQU}

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	2026-05-17T23:44:18.029909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14bb5785137fe1f8eefd62267084478530492903fc4d918fc630c3c325491269

Aliases

arxiv: 1906.01038 · arxiv_version: 1906.01038v1 · doi: 10.48550/arxiv.1906.01038 · pith_short_12: CS5VPBITP7Q7 · pith_short_16: CS5VPBITP7Q7R3X5 · pith_short_8: CS5VPBIT

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/CS5VPBITP7Q7R3X5MITHBBCHQU \
  | 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: 14bb5785137fe1f8eefd62267084478530492903fc4d918fc630c3c325491269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf6969c5de37ede2c70651df4d5b97b03e9bc76000acf805acc94ab92a3a4a58",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-03T19:33:13Z",
    "title_canon_sha256": "d1b397c1c6009f2e3761315aa05d46a2c24b6be27033a4bdb6bddc8f30cec61e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01038",
    "kind": "arxiv",
    "version": 1
  }
}