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Pith Number

pith:XP5NGJXA

pith:2004:XP5NGJXAO7E5PM4CEBHSGHUOBW
not attested not anchored not stored refs pending

Classical mechanics is not h=0 limit of quantum mechanics

O.V.Man'ko, V.I.Man'ko

arxiv:quant-ph/0407183 v1 · 2004-07-23 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XP5NGJXAO7E5PM4CEBHSGHUOBW}

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 2026-05-17T23:54:17.280537Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bbfad326e077c9d7b382204f231e8e0d8e88caed1b3b266300f357b06802f8e1

Aliases

arxiv: quant-ph/0407183 · arxiv_version: quant-ph/0407183v1 · doi: 10.48550/arxiv.quant-ph/0407183 · pith_short_12: XP5NGJXAO7E5 · pith_short_16: XP5NGJXAO7E5PM4C · pith_short_8: XP5NGJXA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XP5NGJXAO7E5PM4CEBHSGHUOBW \
  | 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: bbfad326e077c9d7b382204f231e8e0d8e88caed1b3b266300f357b06802f8e1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f84170a6f8d19801ba3d11ca41ab6c87f9b12ffc2195d6218988d7de403ce96f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-07-23T08:04:47Z",
    "title_canon_sha256": "a6e4d12372146542266bf48abef168e50137e842948e75f9b0e5874c28c89c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0407183",
    "kind": "arxiv",
    "version": 1
  }
}