Pith Number

pith:HBXD2B3K

pith:2013:HBXD2B3KXNNDIABOA4QS5QWG25

not attested not anchored not stored refs pending

An Algorithm for Deciding if a Set of Observed Independencies Has a Causal Explanation

Judea Pearl, Tom S. Verma

arxiv:1303.5435 v1 · 2013-03-13 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBXD2B3KXNNDIABOA4QS5QWG25}

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	2026-05-18T03:30:04.169775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

386e3d076abb5a34002e07212ec2c6d75f4f4a35584bef2eb7aeb07ecf767a42

Aliases

arxiv: 1303.5435 · arxiv_version: 1303.5435v1 · doi: 10.48550/arxiv.1303.5435 · pith_short_12: HBXD2B3KXNND · pith_short_16: HBXD2B3KXNNDIABO · pith_short_8: HBXD2B3K

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/HBXD2B3KXNNDIABOA4QS5QWG25 \
  | 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: 386e3d076abb5a34002e07212ec2c6d75f4f4a35584bef2eb7aeb07ecf767a42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a81094705291c7deda19923ff20f9a935ef7275228f9984e68808e592eb5528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-03-13T12:55:46Z",
    "title_canon_sha256": "06e81fb35714e8112e4070ac79eeb1bf3ee2963cfab788a3e004624c4844db45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5435",
    "kind": "arxiv",
    "version": 1
  }
}