Pith Number

pith:BILE2ZQQ

pith:2013:BILE2ZQQEBJ25CRDOX7ILH44F4

not attested not anchored not stored refs pending

Quantum Fisher information of entangled coherent state in the presence of photon losses: exact solution

G. R. Jin, W. Yang, X. W. Li, Y. M. Zhang

arxiv:1307.7353 v1 · 2013-07-28 · quant-ph · cond-mat.quant-gas · physics.atom-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BILE2ZQQEBJ25CRDOX7ILH44F4}

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	2026-05-18T02:54:48.088092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a164d66102053ae8a2375fe859f9c2f37db149ce64108ea8072368d28d9f618

Aliases

arxiv: 1307.7353 · arxiv_version: 1307.7353v1 · doi: 10.48550/arxiv.1307.7353 · pith_short_12: BILE2ZQQEBJ2 · pith_short_16: BILE2ZQQEBJ25CRD · pith_short_8: BILE2ZQQ

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/BILE2ZQQEBJ25CRDOX7ILH44F4 \
  | 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: 0a164d66102053ae8a2375fe859f9c2f37db149ce64108ea8072368d28d9f618

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6496908bde9565897e32800271a69a74ee288ae8c6d6e0db13a1b68c77e590a0",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "physics.atom-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-07-28T11:23:43Z",
    "title_canon_sha256": "4af71222bb5698bb850e1f5774ea2f133ccb0e2d24f66a7faf5deaa25fe3e796"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7353",
    "kind": "arxiv",
    "version": 1
  }
}