Pith Number

pith:5I3PABP2

pith:2015:5I3PABP2EQVDXF6UDMEEZABDLG

not attested not anchored not stored refs pending

Quantum fidelity for arbitrary Gaussian states

Leonardo Banchi, Samuel L. Braunstein, Stefano Pirandola

arxiv:1507.01941 v1 · 2015-07-07 · quant-ph · cond-mat.other · math-ph · math.MP · 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{5I3PABP2EQVDXF6UDMEEZABDLG}

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	2026-05-18T01:23:57.839076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea36f005fa242a3b97d41b084c802359b595f52e83bcbd9eb1d4a00137cbb0dc

Aliases

arxiv: 1507.01941 · arxiv_version: 1507.01941v1 · doi: 10.48550/arxiv.1507.01941 · pith_short_12: 5I3PABP2EQVD · pith_short_16: 5I3PABP2EQVDXF6U · pith_short_8: 5I3PABP2

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/5I3PABP2EQVDXF6UDMEEZABDLG \
  | 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: ea36f005fa242a3b97d41b084c802359b595f52e83bcbd9eb1d4a00137cbb0dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "589766cc00afca9ed5b173835865e54debae8126c1568b8cd996ffe4068812f0",
    "cross_cats_sorted": [
      "cond-mat.other",
      "math-ph",
      "math.MP",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-07T20:00:22Z",
    "title_canon_sha256": "c4edf2680ecff35787215739973a47e9114cf6fb8f710249a0e45677f6c44fa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01941",
    "kind": "arxiv",
    "version": 1
  }
}