Pith Number

pith:SE225GUE

pith:2003:SE225GUEILQ7SGEOSPGDH27AX2

not attested not anchored not stored refs pending

Additivity of decoherence measures for multiqubit quantum systems

Arkady Fedorov, Leonid Fedichkin, Vladimir Privman

arxiv:cond-mat/0309685 v1 · 2003-09-29 · cond-mat.mes-hall · nlin.CD · 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{SE225GUEILQ7SGEOSPGDH27AX2}

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	2026-05-18T04:39:29.370406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9135ae9a8442e1f9188e93cc33ebe0bea74b9f57d9a3d2c3fff876cfebcc46db

Aliases

arxiv: cond-mat/0309685 · arxiv_version: cond-mat/0309685v1 · doi: 10.48550/arxiv.cond-mat/0309685 · pith_short_12: SE225GUEILQ7 · pith_short_16: SE225GUEILQ7SGEO · pith_short_8: SE225GUE

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/SE225GUEILQ7SGEOSPGDH27AX2 \
  | 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: 9135ae9a8442e1f9188e93cc33ebe0bea74b9f57d9a3d2c3fff876cfebcc46db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03d0712d0d134aa064c9a5f8b724f4b2c350015c5c064fbca0b7e4c61127191e",
    "cross_cats_sorted": [
      "nlin.CD",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2003-09-29T20:03:02Z",
    "title_canon_sha256": "148d8433b7524bcfde41eebc348de4d0390c9cd2aadc818de4c324f8b93242ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0309685",
    "kind": "arxiv",
    "version": 1
  }
}