Pith Number

pith:W32HHSFK

pith:2005:W32HHSFKI4D226ORX23IUOW4SY

not attested not anchored not stored refs pending

Probabilistic and Team PFIN-type Learning: General Properties

Andris Ambainis

arxiv:cs/0504001 v1 · 2005-03-31 · 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{W32HHSFKI4D226ORX23IUOW4SY}

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	2026-07-04T15:11:28.900156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6f473c8aa4707ad79d1beb68a3adc9639f6c10c6d5c082c6bad79c8be169221

Aliases

arxiv: cs/0504001 · arxiv_version: cs/0504001v1 · doi: 10.48550/arxiv.cs/0504001 · pith_short_12: W32HHSFKI4D2 · pith_short_16: W32HHSFKI4D226OR · pith_short_8: W32HHSFK

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/W32HHSFKI4D226ORX23IUOW4SY \
  | 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: b6f473c8aa4707ad79d1beb68a3adc9639f6c10c6d5c082c6bad79c8be169221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "562d9b7dc8b5353fe9e1906e0dd1ba4c6fc6d2d866905ee164e1264f8b557e56",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LG",
    "submitted_at": "2005-03-31T23:04:28Z",
    "title_canon_sha256": "c840efa31795c39bd4ed3b5bd2ed88871679117fc61f3dc38e524a5c9ec950ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0504001",
    "kind": "arxiv",
    "version": 1
  }
}