Pith Number

pith:OYUIHMW4

pith:2004:OYUIHMW4CIFPJMEKEWORDNJ2MZ

not attested not anchored not stored refs pending

Effect of inter-subsystem couplings on the evolution of composite systems

H. S. Song, H. T. Cui, X. X. Yi, Y. H. Lin

arxiv:quant-ph/0405040 v2 · 2004-05-08 · 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{OYUIHMW4CIFPJMEKEWORDNJ2MZ}

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	2026-05-18T01:05:03.560935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

762883b2dc120af4b08a259d11b53a6641221c1ecf44167bea0c6f8219abd9d6

Aliases

arxiv: quant-ph/0405040 · arxiv_version: quant-ph/0405040v2 · doi: 10.48550/arxiv.quant-ph/0405040 · pith_short_12: OYUIHMW4CIFP · pith_short_16: OYUIHMW4CIFPJMEK · pith_short_8: OYUIHMW4

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/OYUIHMW4CIFPJMEKEWORDNJ2MZ \
  | 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: 762883b2dc120af4b08a259d11b53a6641221c1ecf44167bea0c6f8219abd9d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e37e1569b6a49c1bc2cb1d91eabf4d923cfeb430cb85653996f95a0c4ed1f05",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-05-08T23:59:04Z",
    "title_canon_sha256": "e93edba3971b8de78936367fb84c7ad117ac8178b8a9b6530a820a6baf242e1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0405040",
    "kind": "arxiv",
    "version": 2
  }
}