Pith Number

pith:RP6TJRTA

pith:2013:RP6TJRTAE3ODBL6SB2VGIJFVXW

not attested not anchored not stored refs pending

Witnessing negativity of Wigner function by estimating fidelities of cat-like states from homodyne measurements

Jaromir Fiurasek, Miroslav Jezek

arxiv:1306.0508 v1 · 2013-06-03 · 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{RP6TJRTAE3ODBL6SB2VGIJFVXW}

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	2026-05-18T01:49:33.587069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bfd34c66026dc30afd20eaa6424b5bda3a016ea67e3ef86555e87c4e48a4b5e

Aliases

arxiv: 1306.0508 · arxiv_version: 1306.0508v1 · doi: 10.48550/arxiv.1306.0508 · pith_short_12: RP6TJRTAE3OD · pith_short_16: RP6TJRTAE3ODBL6S · pith_short_8: RP6TJRTA

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/RP6TJRTAE3ODBL6SB2VGIJFVXW \
  | 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: 8bfd34c66026dc30afd20eaa6424b5bda3a016ea67e3ef86555e87c4e48a4b5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af450044d42ad51a39c13e8177bbba4e400dba8e9a249a8c5558a3bd57d4ba56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-06-03T17:15:11Z",
    "title_canon_sha256": "2319291f7fd5154e3f6c5908538a6f748cea6ee7142ff185930bd9e8ec2b10ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0508",
    "kind": "arxiv",
    "version": 1
  }
}