Pith Number

pith:4LEWEEHQ

pith:2005:4LEWEEHQP55QYVINCR5ALJGHMD

not attested not anchored not stored refs pending

A scheme for entanglement extraction from a solid

C. Brukner, G. De Chiara, G. M. Palma, R. Fazio, V. Vedral

arxiv:quant-ph/0505107 v2 · 2005-05-16 · quant-ph · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LEWEEHQP55QYVINCR5ALJGHMD}

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	2026-05-18T01:05:02.949056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2c96210f07f7b0c550d147a05a4c760cb4921dce48c323f3e5ff48d2e213825

Aliases

arxiv: quant-ph/0505107 · arxiv_version: quant-ph/0505107v2 · doi: 10.48550/arxiv.quant-ph/0505107 · pith_short_12: 4LEWEEHQP55Q · pith_short_16: 4LEWEEHQP55QYVIN · pith_short_8: 4LEWEEHQ

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/4LEWEEHQP55QYVINCR5ALJGHMD \
  | 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: e2c96210f07f7b0c550d147a05a4c760cb4921dce48c323f3e5ff48d2e213825

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cdcc187ed9dd3105da38eb4fa2276f001df6393da059b78111a181f2da4f3c8",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-05-16T10:06:11Z",
    "title_canon_sha256": "2beb3b59bf9d03a696ed6cf0ad55f46027194233f72d4ef34012cef90852d102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0505107",
    "kind": "arxiv",
    "version": 2
  }
}