Pith Number

pith:HCWEABIT

pith:2012:HCWEABITJA3FOZPDF6OILYC5ZG

not attested not anchored not stored refs pending

Ordinal Boltzmann Machines for Collaborative Filtering

Dinh Q. Phung, Svetha Venkatesh, Tran The Truyen

arxiv:1205.2611 v1 · 2012-05-09 · 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{HCWEABITJA3FOZPDF6OILYC5ZG}

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	2026-05-18T03:55:47.924950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38ac40051348365765e32f9c85e05dc989ee11752f0d3b0e97ad3bc440cabdcc

Aliases

arxiv: 1205.2611 · arxiv_version: 1205.2611v1 · doi: 10.48550/arxiv.1205.2611 · pith_short_12: HCWEABITJA3F · pith_short_16: HCWEABITJA3FOZPD · pith_short_8: HCWEABIT

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/HCWEABITJA3FOZPDF6OILYC5ZG \
  | 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: 38ac40051348365765e32f9c85e05dc989ee11752f0d3b0e97ad3bc440cabdcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7db6355fa69cf51af5c3d30e8153e1a01cb8c0a06c68ba48c2b61477ab25d70c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-05-09T18:35:35Z",
    "title_canon_sha256": "29607b2e5f7f1e5b006ea429987ba5306c701e1e2bd4df280f31b804b3171db9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2611",
    "kind": "arxiv",
    "version": 1
  }
}