Pith Number

pith:GCSZN36O

pith:2013:GCSZN36OUSJPTMYZIXX2QVFKMA

not attested not anchored not stored refs pending

A comparison of old and new definitions of the geometric measure of entanglement

Lin Chen, Martin Aulbach, Michal Hajdusek

arxiv:1308.0806 v2 · 2013-08-04 · 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{GCSZN36OUSJPTMYZIXX2QVFKMA}

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	2026-05-18T02:54:05.111181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30a596efcea492f9b31945efa854aa603826750f832371d782ebde5f90544925

Aliases

arxiv: 1308.0806 · arxiv_version: 1308.0806v2 · doi: 10.48550/arxiv.1308.0806 · pith_short_12: GCSZN36OUSJP · pith_short_16: GCSZN36OUSJPTMYZ · pith_short_8: GCSZN36O

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/GCSZN36OUSJPTMYZIXX2QVFKMA \
  | 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: 30a596efcea492f9b31945efa854aa603826750f832371d782ebde5f90544925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac0b23ba337db850ba0a3363cc8752fed4f5ac46967cfbdbf6b8e9597940bcac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-04T13:01:45Z",
    "title_canon_sha256": "4887dc410762ee28b01abd5153b928f6d69d310dcce8cb3cdb7a7a9847e0c619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0806",
    "kind": "arxiv",
    "version": 2
  }
}