Pith Number

pith:PQNH5IIL

pith:1998:PQNH5IIL2WELP4CVGW4XR5VV2Y

not attested not anchored not stored refs pending

Insufficient reason and entropy in quantum theory

Ariel Caticha

arxiv:quant-ph/9810074 v2 · 1998-10-24 · quant-ph · cond-mat.stat-mech · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQNH5IIL2WELP4CVGW4XR5VV2Y}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:35:06.599063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1a7ea10bd588b7f05535b978f6b5d62e940c5f4a1340f3b53581d0ce9fa7dc

Aliases

arxiv: quant-ph/9810074 · arxiv_version: quant-ph/9810074v2 · doi: 10.48550/arxiv.quant-ph/9810074 · pith_short_12: PQNH5IIL2WEL · pith_short_16: PQNH5IIL2WELP4CV · pith_short_8: PQNH5IIL

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/PQNH5IIL2WELP4CVGW4XR5VV2Y \
  | 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: 7c1a7ea10bd588b7f05535b978f6b5d62e940c5f4a1340f3b53581d0ce9fa7dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48ae84c7483ec7fb4864310b854efe5893bebfc82ce423c99fae809a0a4719b7",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-10-24T20:23:26Z",
    "title_canon_sha256": "b3c74218c18c9f2a46c16aabd9e83f611e44e6207c110edea8b0ee5d416335aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9810074",
    "kind": "arxiv",
    "version": 2
  }
}