Pith Number

pith:55RXBJ3U

pith:2014:55RXBJ3U3PHQ4F74D2AQKNHKPH

not attested not anchored not stored refs pending

A provable SVD-based algorithm for learning topics in dominant admixture corpus

Chiranjib Bhattacharyya, Ravindran Kannan, Trapit Bansal

arxiv:1410.6991 v3 · 2014-10-26 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55RXBJ3U3PHQ4F74D2AQKNHKPH}

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	2026-05-18T02:38:38.525958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef6370a774dbcf0e17fc1e810534ea79f9a978cd0710999c205ede61df14e1b9

Aliases

arxiv: 1410.6991 · arxiv_version: 1410.6991v3 · doi: 10.48550/arxiv.1410.6991 · pith_short_12: 55RXBJ3U3PHQ · pith_short_16: 55RXBJ3U3PHQ4F74 · pith_short_8: 55RXBJ3U

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/55RXBJ3U3PHQ4F74D2AQKNHKPH \
  | 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: ef6370a774dbcf0e17fc1e810534ea79f9a978cd0710999c205ede61df14e1b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82b488e571adf0c99ea41f145238c331fe6c68b2833a000932fa2625c06d3054",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-10-26T06:00:36Z",
    "title_canon_sha256": "e129199a775c628f0eee80efda7bfe918f147a4a9c29d7911c98f577818b8757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.6991",
    "kind": "arxiv",
    "version": 3
  }
}