Pith Number

pith:CX4AFP5U

pith:2009:CX4AFP5U7AEV7KAPPF3BQWOP2Z

not attested not anchored not stored refs pending

Quantum Fisher Information Flow in Non-Markovian Processes of Open Systems

C. P. Sun, Xiaoguang Wang, Xiao-Ming Lu

arxiv:0912.0587 v5 · 2009-12-03 · 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{CX4AFP5U7AEV7KAPPF3BQWOP2Z}

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	2026-05-18T04:39:39.033505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15f802bfb4f8095fa80f79761859cfd65aa60c21ad12b6c4108f37013c52b3cc

Aliases

arxiv: 0912.0587 · arxiv_version: 0912.0587v5 · doi: 10.48550/arxiv.0912.0587 · pith_short_12: CX4AFP5U7AEV · pith_short_16: CX4AFP5U7AEV7KAP · pith_short_8: CX4AFP5U

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/CX4AFP5U7AEV7KAPPF3BQWOP2Z \
  | 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: 15f802bfb4f8095fa80f79761859cfd65aa60c21ad12b6c4108f37013c52b3cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3685a57b2c41825f9663dfa9963ac0220285197e9bf394526d47d6238a90dfa1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-03T08:14:14Z",
    "title_canon_sha256": "5246d2bd6851739222787b7e027c52a7f95ac5b452ba5d975f2ccb8132978b1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0587",
    "kind": "arxiv",
    "version": 5
  }
}