Pith Number

pith:HFVCVNI4

pith:2013:HFVCVNI4FQTJLGIC7R7NZF52M5

not attested not anchored not stored refs pending

Refinement and Coarsening of Bayesian Networks

Kuo-Chu Chang, Robert Fung

arxiv:1304.1138 v1 · 2013-03-27 · 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{HFVCVNI4FQTJLGIC7R7NZF52M5}

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	2026-05-18T03:29:04.417251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

396a2ab51c2c26959902fc7edc97ba67595a57b8ddcd5255b33351ba597b3fdf

Aliases

arxiv: 1304.1138 · arxiv_version: 1304.1138v1 · doi: 10.48550/arxiv.1304.1138 · pith_short_12: HFVCVNI4FQTJ · pith_short_16: HFVCVNI4FQTJLGIC · pith_short_8: HFVCVNI4

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/HFVCVNI4FQTJLGIC7R7NZF52M5 \
  | 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: 396a2ab51c2c26959902fc7edc97ba67595a57b8ddcd5255b33351ba597b3fdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8b9f0bff75980e3fb874e4832118944a891a26aad3c4452994cb4c3283b4b08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-03-27T13:59:54Z",
    "title_canon_sha256": "64893567c298845be4bb0da71c90e6bc2ea0ca66b9e857a0efa75cc336984ca3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1138",
    "kind": "arxiv",
    "version": 1
  }
}