Pith Number

pith:OPR4R4PD

pith:2010:OPR4R4PDHHV7ZMAQ4KAWVC6LWH

not attested not anchored not stored refs pending

Entanglement verification with finite data

Jun O.S. Yin, Robin Blume-Kohout, S. J. van Enk

arxiv:1005.0003 v1 · 2010-04-30 · 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{OPR4R4PDHHV7ZMAQ4KAWVC6LWH}

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.

Cited by

1 paper in Pith

Entanglement Certification $-$ From Theory to Experiment

Receipt and verification

First computed	2026-05-18T04:38:59.183095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73e3c8f1e339ebfcb010e2816a8bcbb1d1f421e201d605517d6dfe86b9207d10

Aliases

arxiv: 1005.0003 · arxiv_version: 1005.0003v1 · doi: 10.48550/arxiv.1005.0003 · pith_short_12: OPR4R4PDHHV7 · pith_short_16: OPR4R4PDHHV7ZMAQ · pith_short_8: OPR4R4PD

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/OPR4R4PDHHV7ZMAQ4KAWVC6LWH \
  | 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: 73e3c8f1e339ebfcb010e2816a8bcbb1d1f421e201d605517d6dfe86b9207d10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b1e04b72d03da70ee7fa9dd7dc94198165d43c61cf9f3fdf38df25143f074e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-30T20:01:40Z",
    "title_canon_sha256": "d2128229b0fd5b671cf3005669c9fe1af7d7d356efc486e9ad37849fdc551b46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0003",
    "kind": "arxiv",
    "version": 1
  }
}