Pith Number

pith:RBNIISDN

pith:2021:RBNIISDNS4TQLXWF4EBS7ECF5Z

not attested not anchored not stored refs pending

Computable and operationally meaningful multipartite entanglement measures

Jacob L. Beckey, M. Cerezo, N. Gigena, Patrick J. Coles

arxiv:2104.06923 v3 · 2021-04-14 · 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{RBNIISDNS4TQLXWF4EBS7ECF5Z}

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	2026-07-05T03:45:29.622793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

885a84486d972705dec5e1032f9045ee4c06df81f610955d6ac7b577e5400709

Aliases

arxiv: 2104.06923 · arxiv_version: 2104.06923v3 · doi: 10.48550/arxiv.2104.06923 · pith_short_12: RBNIISDNS4TQ · pith_short_16: RBNIISDNS4TQLXWF · pith_short_8: RBNIISDN

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/RBNIISDNS4TQLXWF4EBS7ECF5Z \
  | 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: 885a84486d972705dec5e1032f9045ee4c06df81f610955d6ac7b577e5400709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3dd594281775e9ffc40c8a55914833b6eeb3c72d21304f131cdfa19d3f6f8b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-14T15:22:56Z",
    "title_canon_sha256": "3d38e0d4a5c5a181ae5d24c6406f231ca25532941577d0b4ea26c0a9d8ac9e4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06923",
    "kind": "arxiv",
    "version": 3
  }
}