Pith Number

pith:3TY4FSFS

pith:2012:3TY4FSFSVWF2F42SS2HOM5YVFG

not attested not anchored not stored refs pending

Machine Learning that Matters

Kiri Wagstaff (Jet Propulsion Laboratory)

arxiv:1206.4656 v1 · 2012-06-18 · 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{3TY4FSFSVWF2F42SS2HOM5YVFG}

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.

Cited by

1 paper in Pith

GhostCite: A Large-Scale Analysis of Citation Validity in the Age of Large Language Models

Receipt and verification

First computed	2026-05-18T00:23:14.817351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcf1c2c8b2ad8ba2f352968ee6771529a7d80c8d2bd913e388edd3edb44e561c

Aliases

arxiv: 1206.4656 · arxiv_version: 1206.4656v1 · doi: 10.48550/arxiv.1206.4656 · pith_short_12: 3TY4FSFSVWF2 · pith_short_16: 3TY4FSFSVWF2F42S · pith_short_8: 3TY4FSFS

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/3TY4FSFSVWF2F42SS2HOM5YVFG \
  | 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: dcf1c2c8b2ad8ba2f352968ee6771529a7d80c8d2bd913e388edd3edb44e561c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1364654843be1d3920085d9462e2295f48901b4ade43e440689b403696a7c844",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-06-18T15:26:13Z",
    "title_canon_sha256": "538a57609c6149c50b6e7fd46b179c525f4b5cc71781108e48c1a85ca9236f45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4656",
    "kind": "arxiv",
    "version": 1
  }
}