Pith Number

pith:FBBBXA4Y

pith:2011:FBBBXA4YNTVGYD25XOJBVM7ERV

not attested not anchored not stored refs pending

Detection of Multiparticle Entanglement: Quantifying the Search for Symmetric Extensions

Fernando G.S.L. Brandao, Matthias Christandl

arxiv:1105.5720 v1 · 2011-05-28 · 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{FBBBXA4YNTVGYD25XOJBVM7ERV}

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	2026-05-18T03:42:46.282941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28421b83986cea6c0f5dbb921ab3e48d454eb8f12f759dd94f09ee750b31f083

Aliases

arxiv: 1105.5720 · arxiv_version: 1105.5720v1 · doi: 10.48550/arxiv.1105.5720 · pith_short_12: FBBBXA4YNTVG · pith_short_16: FBBBXA4YNTVGYD25 · pith_short_8: FBBBXA4Y

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/FBBBXA4YNTVGYD25XOJBVM7ERV \
  | 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: 28421b83986cea6c0f5dbb921ab3e48d454eb8f12f759dd94f09ee750b31f083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a95229b8dd37b06e2110a0a4e6d953c64759e1def2a96226732df23b4492e43c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-05-28T15:06:36Z",
    "title_canon_sha256": "8dcf47a97451f9c50146203dc687e306a46f36223afe52aabfe0dd65da402a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5720",
    "kind": "arxiv",
    "version": 1
  }
}