Pith Number

pith:ZT7TYQI6

pith:2008:ZT7TYQI65Z5VPSVSGYZ5N4GYIB

not attested not anchored not stored refs pending

Entanglement evolution of a two-qubit system with decay beyond rotating-wave approximation

Da-Chuang Li, Ming Yang, Qing Yang, Zhuo-Liang Cao

arxiv:0812.2177 v1 · 2008-12-11 · 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{ZT7TYQI65Z5VPSVSGYZ5N4GYIB}

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	2026-07-04T17:13:52.704068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccff3c411eee7b57cab23633d6f0d840587b36430424e5710dbb47c556a9b91b

Aliases

arxiv: 0812.2177 · arxiv_version: 0812.2177v1 · doi: 10.48550/arxiv.0812.2177 · pith_short_12: ZT7TYQI65Z5V · pith_short_16: ZT7TYQI65Z5VPSVS · pith_short_8: ZT7TYQI6

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/ZT7TYQI65Z5VPSVSGYZ5N4GYIB \
  | 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: ccff3c411eee7b57cab23633d6f0d840587b36430424e5710dbb47c556a9b91b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "811c3ac4d3ddd85d30c4b9ae6d2ba203c6cb8e4aaeee6ce0f086a508cca6d2b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-12-11T15:57:24Z",
    "title_canon_sha256": "a34fad89de15a264907e0fc81bab89fb62c762bd2a32355f6e57957c3e49537b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2177",
    "kind": "arxiv",
    "version": 1
  }
}