Pith Number

pith:OKA6CA2L

pith:2014:OKA6CA2LTIOAQORFSARVEUPQ4M

not attested not anchored not stored refs pending

Running Probabilistic Programs Backwards

David Van Horn, Jay McCarthy, Neil Toronto

arxiv:1412.4053 v2 · 2014-12-12 · cs.PL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OKA6CA2LTIOAQORFSARVEUPQ4M}

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	2026-05-18T02:29:17.119031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7281e1034b9a1c083a2590235251f0e3382a7f26db6962cf7aab889ec3e91130

Aliases

arxiv: 1412.4053 · arxiv_version: 1412.4053v2 · doi: 10.48550/arxiv.1412.4053 · pith_short_12: OKA6CA2LTIOA · pith_short_16: OKA6CA2LTIOAQORF · pith_short_8: OKA6CA2L

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/OKA6CA2LTIOAQORFSARVEUPQ4M \
  | 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: 7281e1034b9a1c083a2590235251f0e3382a7f26db6962cf7aab889ec3e91130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beaad6c0c8e6b5fb71b7eb61d9d9d99b2e6c51fb28e41ea244ff638aea88ccd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2014-12-12T16:59:14Z",
    "title_canon_sha256": "bd4397d713f95ad639412041511907ba1cfa18d71a6f59f3b4d7ebea953de3f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4053",
    "kind": "arxiv",
    "version": 2
  }
}