Pith Number

pith:FF44MCCX

pith:2017:FF44MCCXQUUUUE7XLAW2XHYSZX

not attested not anchored not stored refs pending

Combining Thesaurus Knowledge and Probabilistic Topic Models

Kirill Ivanov, Michael Nokel, Natalia Loukachevitch

arxiv:1707.09816 v1 · 2017-07-31 · 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{FF44MCCXQUUUUE7XLAW2XHYSZX}

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	2026-05-18T00:39:08.140170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2979c6085785294a13f7582dab9f12cde7e752fdae591cdd994bcc4c1adede21

Aliases

arxiv: 1707.09816 · arxiv_version: 1707.09816v1 · doi: 10.48550/arxiv.1707.09816 · pith_short_12: FF44MCCXQUUU · pith_short_16: FF44MCCXQUUUUE7X · pith_short_8: FF44MCCX

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/FF44MCCXQUUUUE7XLAW2XHYSZX \
  | 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: 2979c6085785294a13f7582dab9f12cde7e752fdae591cdd994bcc4c1adede21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46a9dc8814a49d56eedd96bd19c8c40542eb34401757a70d7edd0ee87c6e1b33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-07-31T12:32:16Z",
    "title_canon_sha256": "ae7fb76702ba96f3c00fed985a6d4202ae6651f1cd7d4fb1add0c1f6ea2726ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09816",
    "kind": "arxiv",
    "version": 1
  }
}