Pith Number

pith:S3WGC4GW

pith:2010:S3WGC4GWYRPB65XGQ6OGY3AFKJ

not attested not anchored not stored refs pending

On Estimation of Fully Entangled Fraction

Ming Li, Rui-Juan Gu, Shao-Ming Fei, Xianqing Li-Jost

arxiv:1001.4756 v1 · 2010-01-26 · 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{S3WGC4GWYRPB65XGQ6OGY3AFKJ}

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	2026-05-18T02:09:29.643512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96ec6170d6c45e1f76e6879c6c6c0552749d82f24f40c2cc4d34bfc62c2f76bb

Aliases

arxiv: 1001.4756 · arxiv_version: 1001.4756v1 · doi: 10.48550/arxiv.1001.4756 · pith_short_12: S3WGC4GWYRPB · pith_short_16: S3WGC4GWYRPB65XG · pith_short_8: S3WGC4GW

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/S3WGC4GWYRPB65XGQ6OGY3AFKJ \
  | 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: 96ec6170d6c45e1f76e6879c6c6c0552749d82f24f40c2cc4d34bfc62c2f76bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90c81d123d7b1fb7b808517337db30680ff802961bf7cc9218eb30495b4d15bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-01-26T18:05:51Z",
    "title_canon_sha256": "3305bdde6e778d298a7ce88e20e67de8cf5436efb8920d01df0da4d51e3af020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4756",
    "kind": "arxiv",
    "version": 1
  }
}