Pith Number

pith:E5FHCG2P

pith:2005:E5FHCG2PT5HZE42M7ANAZ4TH6V

not attested not anchored not stored refs pending

Decoherence in composite quantum open systems: the effectiveness of unstable degrees of freedom

Fernando C. Lombardo, Paula I. Villar

arxiv:quant-ph/0507107 v2 · 2005-07-11 · quant-ph · cond-mat.other · cond-mat.stat-mech · hep-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{E5FHCG2PT5HZE42M7ANAZ4TH6V}

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	2026-05-18T04:36:19.639743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

274a711b4f9f4f92734cf81a0cf267f545b75466024fff7f611b0218b32e9e7f

Aliases

arxiv: quant-ph/0507107 · arxiv_version: quant-ph/0507107v2 · doi: 10.48550/arxiv.quant-ph/0507107 · pith_short_12: E5FHCG2PT5HZ · pith_short_16: E5FHCG2PT5HZE42M · pith_short_8: E5FHCG2P

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/E5FHCG2PT5HZE42M7ANAZ4TH6V \
  | 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: 274a711b4f9f4f92734cf81a0cf267f545b75466024fff7f611b0218b32e9e7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5d51e91c89b12165423b11f4b578dd62b8b1bf6605dee4c5105ed0f8e20875f",
    "cross_cats_sorted": [
      "cond-mat.other",
      "cond-mat.stat-mech",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-07-11T22:45:18Z",
    "title_canon_sha256": "59a844cac2f276b4d0b889a97302a447124bb77792d98415805a27bc96e2be46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0507107",
    "kind": "arxiv",
    "version": 2
  }
}