Pith Number

pith:UW4DXGVB

pith:2009:UW4DXGVBE2YHPURUTIEY7XQNEC

not attested not anchored not stored refs pending

Infinite operator-sum representation of density operator for a dissipative cavity with Kerr medium derived by virtue of entangled state representation

Hong-yi Fan, Li-yun Hu

arxiv:0905.2448 v2 · 2009-05-15 · 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{UW4DXGVBE2YHPURUTIEY7XQNEC}

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	2026-05-18T02:13:39.301823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b83b9aa126b077d2349a098fde0d20be0865a2458d37208bf7140e07580b9f

Aliases

arxiv: 0905.2448 · arxiv_version: 0905.2448v2 · doi: 10.48550/arxiv.0905.2448 · pith_short_12: UW4DXGVBE2YH · pith_short_16: UW4DXGVBE2YHPURU · pith_short_8: UW4DXGVB

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/UW4DXGVBE2YHPURUTIEY7XQNEC \
  | 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: a5b83b9aa126b077d2349a098fde0d20be0865a2458d37208bf7140e07580b9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9658f8fc98a78741503b75365a6c21d915623ecdedec071f7be6b8ad6ff023a4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-05-15T00:03:01Z",
    "title_canon_sha256": "44fe1b69d7b39910778181363ce3598016980992ca2a36ed3a00595750eaa136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2448",
    "kind": "arxiv",
    "version": 2
  }
}