Pith Number

pith:SPZ5I66V

pith:2012:SPZ5I66VCVJAEX3SANJHVJSZ46

not attested not anchored not stored refs pending

Products of Hidden Markov Models: It Takes N>1 to Tango

Geoffrey E. Hinton, Graham W Taylor

arxiv:1205.2614 v1 · 2012-05-09 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPZ5I66VCVJAEX3SANJHVJSZ46}

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	2026-05-18T03:55:47.907717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93f3d47bd51552025f7203527aa659e787e29a0b031e7a001aed54cd4a808291

Aliases

arxiv: 1205.2614 · arxiv_version: 1205.2614v1 · doi: 10.48550/arxiv.1205.2614 · pith_short_12: SPZ5I66VCVJA · pith_short_16: SPZ5I66VCVJAEX3S · pith_short_8: SPZ5I66V

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/SPZ5I66VCVJAEX3SANJHVJSZ46 \
  | 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: 93f3d47bd51552025f7203527aa659e787e29a0b031e7a001aed54cd4a808291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "983ff7b96cef58b4126e6f0eb4beccdd4a6773ee4c33c65f5e6e54ee47435cb6",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-05-09T18:30:23Z",
    "title_canon_sha256": "1469b5516d50a980163da69cf89b80bb8f3bd2807cdcc990f1099f1dbc90533e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2614",
    "kind": "arxiv",
    "version": 1
  }
}