Pith Number

pith:BD25K7NI

pith:2015:BD25K7NIHPASMLHOKASHZU3EQ7

not attested not anchored not stored refs pending

Discovering topic structures of a temporally evolving document corpus

Adham Beykikhoshk, Dinh Phung, Ognjen Arandjelovic, Svetha Venkatesh

arxiv:1512.08008 v1 · 2015-12-25 · cs.IR · cs.LG

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BD25K7NIHPASMLHOKASHZU3EQ7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:23:43.579975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08f5d57da83bc1262cee50247cd36487c37888042aded2ffaa666335c855920d

Aliases

arxiv: 1512.08008 · arxiv_version: 1512.08008v1 · doi: 10.48550/arxiv.1512.08008 · pith_short_12: BD25K7NIHPAS · pith_short_16: BD25K7NIHPASMLHO · pith_short_8: BD25K7NI

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/BD25K7NIHPASMLHOKASHZU3EQ7 \
  | 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: 08f5d57da83bc1262cee50247cd36487c37888042aded2ffaa666335c855920d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "994e1eafaeb6342441bcd35ebccfd14da15fb0b6ff486d03c577ddaf921df20f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-12-25T15:18:11Z",
    "title_canon_sha256": "619325f2c9272a43843312b6f0e47068285c3872ce8c3bcdf13b77cfaa0714de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08008",
    "kind": "arxiv",
    "version": 1
  }
}