Pith Number

pith:JFQBBTQN

pith:2001:JFQBBTQNYDN3S5LJC6Y76MFY5C

not attested not anchored not stored refs pending

Direct detection of quantum entanglement

Artur Ekert, Pawel Horodecki

arxiv:quant-ph/0111064 v1 · 2001-11-11 · 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{JFQBBTQNYDN3S5LJC6Y76MFY5C}

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

Quantum Utility-Scale Error Mitigation for Quantum Quench Dynamics in Heisenberg Spin Chains

Receipt and verification

First computed	2026-07-04T16:29:43.153622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

496010ce0dc0dbb9756917b1ff30b8e896717d7f77419843166aa02882ccc3c6

Aliases

arxiv: quant-ph/0111064 · arxiv_version: quant-ph/0111064v1 · doi: 10.48550/arxiv.quant-ph/0111064 · pith_short_12: JFQBBTQNYDN3 · pith_short_16: JFQBBTQNYDN3S5LJ · pith_short_8: JFQBBTQN

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/JFQBBTQNYDN3S5LJC6Y76MFY5C \
  | 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: 496010ce0dc0dbb9756917b1ff30b8e896717d7f77419843166aa02882ccc3c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8561074ec20d7ca575795ef136f4b276e5c75f29be549ccaa238ea51f2db9ef6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-11-11T19:54:13Z",
    "title_canon_sha256": "9adcd0f17ebfef54e49d991f14d8de58bdfc3cbdf287642a27b84f5f04f4bc47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0111064",
    "kind": "arxiv",
    "version": 1
  }
}