Pith Number

pith:ABNFNEYY

pith:2026:ABNFNEYYERQFRA2XSLPIQWG57Y

not attested not anchored not stored refs pending

The Cost Geometry of Belief: finite-resource inference under noisy observation

Laurent Caraffa

arxiv:2606.21585 v1 · 2026-06-19 · cs.LG · cs.IT · math.DG · math.IT · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ABNFNEYYERQFRA2XSLPIQWG57Y}

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	2026-06-23T01:13:15.393995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

005a569318246058835792de8858ddfe3dd81c2c1a234411e2ea664555131393

Aliases

arxiv: 2606.21585 · arxiv_version: 2606.21585v1 · doi: 10.48550/arxiv.2606.21585 · pith_short_12: ABNFNEYYERQF · pith_short_16: ABNFNEYYERQFRA2X · pith_short_8: ABNFNEYY

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/ABNFNEYYERQFRA2XSLPIQWG57Y \
  | 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: 005a569318246058835792de8858ddfe3dd81c2c1a234411e2ea664555131393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e840130d258885e6912c2bd4de96832b06469208d806a405136585fd959bd6",
    "cross_cats_sorted": [
      "cs.IT",
      "math.DG",
      "math.IT",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-19T16:41:28Z",
    "title_canon_sha256": "cfcf21ad78861cd77b66e7778c24b691ec4aeb3bb342d895975f31149dc12e43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21585",
    "kind": "arxiv",
    "version": 1
  }
}