Pith Number

pith:FPMEKEKC

pith:1998:FPMEKEKC4DG47QTK63QONKBFAR

not attested not anchored not stored refs pending

Entanglement monotones

Guifre Vidal

arxiv:quant-ph/9807077 v2 · 1998-07-28 · 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{FPMEKEKC4DG47QTK63QONKBFAR}

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

6 papers in Pith

Harmony for 2-Qubit Entanglement

Entanglement Certification $-$ From Theory to Experiment

A resource theory of asynchronous quantum information processing

Separability from Multipartite Measures

Quantum speed limit for measurement probabilities

Receipt and verification

First computed	2026-05-18T01:37:52.795272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bd8451142e0cdcfc26af6e0e6a8250479aaec84b266251968ffe4f62216e149

Aliases

arxiv: quant-ph/9807077 · arxiv_version: quant-ph/9807077v2 · doi: 10.48550/arxiv.quant-ph/9807077 · pith_short_12: FPMEKEKC4DG4 · pith_short_16: FPMEKEKC4DG47QTK · pith_short_8: FPMEKEKC

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/FPMEKEKC4DG47QTK63QONKBFAR \
  | 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: 2bd8451142e0cdcfc26af6e0e6a8250479aaec84b266251968ffe4f62216e149

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8779ef84987bf15fe0dbb34927030101d6cb1b067b0f1fcbad8b052b7997ed39",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-07-28T09:33:51Z",
    "title_canon_sha256": "eadc2054f0fa8647ebc6a461dc53861f38051f828c6ac7dbe3d56887d37da47a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9807077",
    "kind": "arxiv",
    "version": 2
  }
}