Pith Number

pith:JSTHYFWC

pith:2017:JSTHYFWCZ35QGO7EACJXNSYTPZ

not attested not anchored not stored refs pending

Learning Overcomplete HMMs

Gregory Valiant, Percy Liang, Sham Kakade, Vatsal Sharan

arxiv:1711.02309 v2 · 2017-11-07 · cs.LG · cs.AI · 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{JSTHYFWCZ35QGO7EACJXNSYTPZ}

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	2026-05-18T00:12:11.042581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ca67c16c2cefb033be4009376cb137e6900f81906af069835c857662deeb883

Aliases

arxiv: 1711.02309 · arxiv_version: 1711.02309v2 · doi: 10.48550/arxiv.1711.02309 · pith_short_12: JSTHYFWCZ35Q · pith_short_16: JSTHYFWCZ35QGO7E · pith_short_8: JSTHYFWC

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/JSTHYFWCZ35QGO7EACJXNSYTPZ \
  | 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: 4ca67c16c2cefb033be4009376cb137e6900f81906af069835c857662deeb883

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84e093da29887fb72f1b09119295d010f6a7aecee69fac5766e395a254523a1f",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-11-07T06:55:03Z",
    "title_canon_sha256": "dcd4f54a404f5067a5f4c13b4209930c55323d3b72e9baf6aa51c4ca97b4373b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02309",
    "kind": "arxiv",
    "version": 2
  }
}