Pith Number

pith:L5N235YZ

pith:2014:L5N235YZJBY6B7FBGIOFNLUHZ4

not attested not anchored not stored refs pending

Data Smashing

Hod Lipson, Ishanu Chattopadhyay

arxiv:1401.0742 v1 · 2014-01-03 · cs.LG · cs.AI · cs.CE · cs.IT · math.IT · 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{L5N235YZJBY6B7FBGIOFNLUHZ4}

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	2026-05-18T03:03:12.134818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f5badf7194871e0fca1321c56ae87cf368c22dabfd21f2526bb002e828c6216

Aliases

arxiv: 1401.0742 · arxiv_version: 1401.0742v1 · doi: 10.48550/arxiv.1401.0742 · pith_short_12: L5N235YZJBY6 · pith_short_16: L5N235YZJBY6B7FB · pith_short_8: L5N235YZ

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/L5N235YZJBY6B7FBGIOFNLUHZ4 \
  | 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: 5f5badf7194871e0fca1321c56ae87cf368c22dabfd21f2526bb002e828c6216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b99e1f8367093065694171459695a0904bed5e034d9054591700664cef762ff",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CE",
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-01-03T22:15:17Z",
    "title_canon_sha256": "d47e723aeefb042e47aece6ac3e6b45172aa667be5da071be15f3ef098ddc9bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0742",
    "kind": "arxiv",
    "version": 1
  }
}