Pith Number

pith:SP2W4TQV

pith:2001:SP2W4TQVZXR7EWDZPO77BDYUCM

not attested not anchored not stored refs pending

Characterizing Entanglement

Dagmar Bruss

arxiv:quant-ph/0110078 v1 · 2001-10-12 · 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{SP2W4TQVZXR7EWDZPO77BDYUCM}

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	2026-05-18T01:38:02.432747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93f56e4e15cde3f258797bbff08f141308911c76d5d55d5a769235c1375919a7

Aliases

arxiv: quant-ph/0110078 · arxiv_version: quant-ph/0110078v1 · doi: 10.48550/arxiv.quant-ph/0110078 · pith_short_12: SP2W4TQVZXR7 · pith_short_16: SP2W4TQVZXR7EWDZ · pith_short_8: SP2W4TQV

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/SP2W4TQVZXR7EWDZPO77BDYUCM \
  | 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: 93f56e4e15cde3f258797bbff08f141308911c76d5d55d5a769235c1375919a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95792b3bb4071dfc17f58d94f41c86ebe1f56bbc45c90053ca1f8a4a87c94060",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-10-12T12:17:59Z",
    "title_canon_sha256": "610e2ef620d239da0766fdc34e1f8bed0d598ace4d6401e32a6bf4fbca13ecb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0110078",
    "kind": "arxiv",
    "version": 1
  }
}