Pith Number

pith:2QUUUWRO

pith:2005:2QUUUWROUCBMDEREEMI2ML4KPK

not attested not anchored not stored refs pending

Nondemolition Principle of Quantum Measurement Theory

V. P. Belavkin

arxiv:quant-ph/0512188 v1 · 2005-12-21 · 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{2QUUUWROUCBMDEREEMI2ML4KPK}

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	2026-05-18T01:37:57.237864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4294a5a2ea082c192242311a62f8a7a8f90102e508943e522cbcac5d6b0cf0d

Aliases

arxiv: quant-ph/0512188 · arxiv_version: quant-ph/0512188v1 · doi: 10.48550/arxiv.quant-ph/0512188 · pith_short_12: 2QUUUWROUCBM · pith_short_16: 2QUUUWROUCBMDERE · pith_short_8: 2QUUUWRO

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/2QUUUWROUCBMDEREEMI2ML4KPK \
  | 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: d4294a5a2ea082c192242311a62f8a7a8f90102e508943e522cbcac5d6b0cf0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da50e20d7e6a330c5b96f7fbf031ee77821280efda78cf6e24169179dd56aa02",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-12-21T23:36:52Z",
    "title_canon_sha256": "8eb161a0dac15c7295861347c859fcfa33abad98f9f7800029277d7c6a7ad202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0512188",
    "kind": "arxiv",
    "version": 1
  }
}