Pith Number

pith:GQDQ4CHG

pith:2004:GQDQ4CHGWATQ7ZCYLSNCYUSVOS

not attested not anchored not stored refs pending

Casimir-Polder potentials as entanglement probe

Francesco S. Persico, Giuseppe Compagno, G. Massimo Palma, Markus.A.Cirone, Roberto Passante

arxiv:quant-ph/0407032 v3 · 2004-07-05 · 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{GQDQ4CHGWATQ7ZCYLSNCYUSVOS}

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	2026-05-18T01:37:58.513509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34070e08e6b0270fe4585c9a2c5255749c58ba881956d73572de54b483bc4ab6

Aliases

arxiv: quant-ph/0407032 · arxiv_version: quant-ph/0407032v3 · doi: 10.48550/arxiv.quant-ph/0407032 · pith_short_12: GQDQ4CHGWATQ · pith_short_16: GQDQ4CHGWATQ7ZCY · pith_short_8: GQDQ4CHG

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/GQDQ4CHGWATQ7ZCYLSNCYUSVOS \
  | 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: 34070e08e6b0270fe4585c9a2c5255749c58ba881956d73572de54b483bc4ab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a94cc4e43a10ac882b652150ed4ffc6bc17a1f0d0a7b97026c8af68090106f58",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-07-05T10:49:38Z",
    "title_canon_sha256": "7dd0413efa6bb4e9a5823cedca59d86366b799fbb22c228d32f587e736e0f9a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0407032",
    "kind": "arxiv",
    "version": 3
  }
}