Pith Number

pith:LDT4MNTS

pith:2010:LDT4MNTSBO7M7ZUR7JZR2AZZMX

not attested not anchored not stored refs pending

A new approach to quantum measurement problem: cluster separability

Petr Hajicek

arxiv:1011.1732 v3 · 2010-11-08 · 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{LDT4MNTSBO7M7ZUR7JZR2AZZMX}

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	2026-05-18T04:18:04.433186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58e7c636720bbecfe691fa731d033965f2014d6063b0f0ee59fb0c339b685ef1

Aliases

arxiv: 1011.1732 · arxiv_version: 1011.1732v3 · doi: 10.48550/arxiv.1011.1732 · pith_short_12: LDT4MNTSBO7M · pith_short_16: LDT4MNTSBO7M7ZUR · pith_short_8: LDT4MNTS

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/LDT4MNTSBO7M7ZUR7JZR2AZZMX \
  | 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: 58e7c636720bbecfe691fa731d033965f2014d6063b0f0ee59fb0c339b685ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "787112a2d8a023bc4d00c1620138d87cf55d68acb7116165823c4c7b60e09577",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-11-08T08:57:03Z",
    "title_canon_sha256": "0d563463ca76938652959d22dd5f04fe0ec6298b172d9419ddf6cad4f76365f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1732",
    "kind": "arxiv",
    "version": 3
  }
}