Pith Number

pith:D47A5GGT

pith:2016:D47A5GGTUUONGESXW7T47HSLUS

not attested not anchored not stored refs pending

Recovering Structured Probability Matrices

Gregory Valiant, Qingqing Huang, Sham M. Kakade, Weihao Kong

arxiv:1602.06586 v6 · 2016-02-21 · 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{D47A5GGTUUONGESXW7T47HSLUS}

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	2026-05-18T00:24:22.886304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f3e0e98d3a51cd31257b7e7cf9e4ba4936fedfa47d010d428e50fd76c669451

Aliases

arxiv: 1602.06586 · arxiv_version: 1602.06586v6 · doi: 10.48550/arxiv.1602.06586 · pith_short_12: D47A5GGTUUON · pith_short_16: D47A5GGTUUONGESX · pith_short_8: D47A5GGT

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/D47A5GGTUUONGESXW7T47HSLUS \
  | 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: 1f3e0e98d3a51cd31257b7e7cf9e4ba4936fedfa47d010d428e50fd76c669451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6db56468679b67feb939f0834322bb7f95cdfdeb3d0ee9e5a2ac6ed680913bb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-02-21T21:47:45Z",
    "title_canon_sha256": "897d43b24d69a5d8060bd6d8138132c642841c19ec6bdad31c1e479b3329f7f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06586",
    "kind": "arxiv",
    "version": 6
  }
}