Pith Number

pith:X2DVPZ6Q

pith:2004:X2DVPZ6QXJDAY65A5ZFURQS6CN

not attested not anchored not stored refs pending

Comparability of multipartite entanglement

Mingsheng Ying, Runyao Duan, Zhengfeng Ji

arxiv:quant-ph/0407001 v1 · 2004-06-30 · 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{X2DVPZ6QXJDAY65A5ZFURQS6CN}

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	2026-07-04T14:46:37.533930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be8757e7d0ba460c7ba0ee4b48c25e1371a2e1863ec6c6c56ac9bb962a8fd05e

Aliases

arxiv: quant-ph/0407001 · arxiv_version: quant-ph/0407001v1 · doi: 10.48550/arxiv.quant-ph/0407001 · pith_short_12: X2DVPZ6QXJDA · pith_short_16: X2DVPZ6QXJDAY65A · pith_short_8: X2DVPZ6Q

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/X2DVPZ6QXJDAY65A5ZFURQS6CN \
  | 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: be8757e7d0ba460c7ba0ee4b48c25e1371a2e1863ec6c6c56ac9bb962a8fd05e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "980bd09dac6b9bf05b5a3dc0cbc5aa0748543c7055563105dbee013954d2ffce",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-06-30T20:10:35Z",
    "title_canon_sha256": "2971de32a8aff1409de2357070db134b4342272c26fdaee6ab6e6dfda024e1df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0407001",
    "kind": "arxiv",
    "version": 1
  }
}