Pith Number

pith:FPG6SQGX

pith:2025:FPG6SQGXAAZBYJLE2CX6K7WAVB

not attested not anchored not stored refs pending

Entanglement detection via third-order local invariants from randomized measurements

Anindita Bera, Giovanni Scala, Gniewomir Sarbicki

arxiv:2506.18303 v2 · 2025-06-23 · 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{FPG6SQGXAAZBYJLE2CX6K7WAVB}

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	2026-07-05T11:26:06.243300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bcde940d700321c2564d0afe57ec0a84b8d69294a2dcde676b572800914df23

Aliases

arxiv: 2506.18303 · arxiv_version: 2506.18303v2 · doi: 10.48550/arxiv.2506.18303 · pith_short_12: FPG6SQGXAAZB · pith_short_16: FPG6SQGXAAZBYJLE · pith_short_8: FPG6SQGX

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/FPG6SQGXAAZBYJLE2CX6K7WAVB \
  | 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: 2bcde940d700321c2564d0afe57ec0a84b8d69294a2dcde676b572800914df23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a8f967dd23c260d260d2a7eb2a2989f5e93e9f0134924e351cc79b8d7c8f082",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-23T05:41:07Z",
    "title_canon_sha256": "cec87e86366eef72b9cdd1de70850427a03c1a9d18d1f86f7982dbed15e1f6b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.18303",
    "kind": "arxiv",
    "version": 2
  }
}