Pith Number

pith:ZHLAY3Z3

pith:2002:ZHLAY3Z3PTIWASR27SWZHKK7A7

not attested not anchored not stored refs pending

Derivation of the Born Rule from Operational Assumptions

Simon Saunders

arxiv:quant-ph/0211138 v2 · 2002-11-21 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHLAY3Z3PTIWASR27SWZHKK7A7}

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	2026-07-04T14:46:04.067363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9d60c6f3b7cd1604a3afcad93a95f07e1e3d0a29743551bbb4a664e2330d487

Aliases

arxiv: quant-ph/0211138 · arxiv_version: quant-ph/0211138v2 · doi: 10.48550/arxiv.quant-ph/0211138 · pith_short_12: ZHLAY3Z3PTIW · pith_short_16: ZHLAY3Z3PTIWASR2 · pith_short_8: ZHLAY3Z3

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/ZHLAY3Z3PTIWASR27SWZHKK7A7 \
  | 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: c9d60c6f3b7cd1604a3afcad93a95f07e1e3d0a29743551bbb4a664e2330d487

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86761a22f953d1fce27bf6011dfc01a394e83c38adc33f6e384b78d7760328e1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-11-21T15:45:05Z",
    "title_canon_sha256": "984fd83eca8f3186bdc39d20e02bf35ebec3f24b0776dee160eb4fb231fe48c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0211138",
    "kind": "arxiv",
    "version": 2
  }
}