Pith Number

pith:ZH7NVNDJ

pith:2013:ZH7NVNDJ6MONDCNZMAEW5NG2DB

not attested not anchored not stored refs pending

On reduction of the wave-packet, decoherence, irreversibility and the second law of thermodynamics

H. Narnhofer, W. F. Wreszinski

arxiv:1309.2550 v3 · 2013-09-10 · math-ph · math.MP · 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{ZH7NVNDJ6MONDCNZMAEW5NG2DB}

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	2026-05-18T01:47:43.688769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9fedab469f31cd189b960096eb4da18679d81a03cc489d171b2c377d1c00a15

Aliases

arxiv: 1309.2550 · arxiv_version: 1309.2550v3 · doi: 10.48550/arxiv.1309.2550 · pith_short_12: ZH7NVNDJ6MON · pith_short_16: ZH7NVNDJ6MONDCNZ · pith_short_8: ZH7NVNDJ

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/ZH7NVNDJ6MONDCNZMAEW5NG2DB \
  | 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: c9fedab469f31cd189b960096eb4da18679d81a03cc489d171b2c377d1c00a15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7d7aa7a336f04e655734018053c852d295793a1397c6ecbcda6f68cae510c99",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-09-10T15:36:01Z",
    "title_canon_sha256": "6dfc644d3cba0d997ffe6f68f39df8245522f3e24c672ddf3b57dde25b61bdb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2550",
    "kind": "arxiv",
    "version": 3
  }
}