Pith Number

pith:UYZ2TNYC

pith:2021:UYZ2TNYCJOKHG5DYPY233BGLIE

not attested not anchored not stored refs pending

Genuine multipartite entanglement measure

Lizhong Huang, Xinping Li, Yanping Jia, Yu Guo

arxiv:2108.03638 v6 · 2021-08-08 · 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{UYZ2TNYCJOKHG5DYPY233BGLIE}

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	2026-07-05T04:11:06.929529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a633a9b7024b947374787e35bd84cb4118fcb4e1845958a9207ab46183a6c862

Aliases

arxiv: 2108.03638 · arxiv_version: 2108.03638v6 · doi: 10.48550/arxiv.2108.03638 · pith_short_12: UYZ2TNYCJOKH · pith_short_16: UYZ2TNYCJOKHG5DY · pith_short_8: UYZ2TNYC

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/UYZ2TNYCJOKHG5DYPY233BGLIE \
  | 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: a633a9b7024b947374787e35bd84cb4118fcb4e1845958a9207ab46183a6c862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09453d3853e73d311fcdbed517a08684b9a78ee9b10866ab86133965f7c473e5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-08-08T14:05:00Z",
    "title_canon_sha256": "b4b175dc2d336e211936d0697d818a821a8cb55cfdb1b12ae95a610d0a56b039"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.03638",
    "kind": "arxiv",
    "version": 6
  }
}