Pith Number

pith:NCKQ6JGG

pith:2000:NCKQ6JGGSHWOOB3LVDXAMYJXB4

not attested not anchored not stored refs pending

Nonextensive approach to decoherence in quantum mechanics

A. Vidiella-Barranco, H. Moya-Cessa (INAOE, Mexico), Pue., Puebla

arxiv:quant-ph/0002071 v2 · 2000-02-24 · 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{NCKQ6JGGSHWOOB3LVDXAMYJXB4}

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	2026-05-18T03:31:07.393552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68950f24c691ece7076ba8ee0661370f0e4f37b85ea2938f1277801d7e4ae648

Aliases

arxiv: quant-ph/0002071 · arxiv_version: quant-ph/0002071v2 · doi: 10.48550/arxiv.quant-ph/0002071 · pith_short_12: NCKQ6JGGSHWO · pith_short_16: NCKQ6JGGSHWOOB3L · pith_short_8: NCKQ6JGG

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/NCKQ6JGGSHWOOB3LVDXAMYJXB4 \
  | 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: 68950f24c691ece7076ba8ee0661370f0e4f37b85ea2938f1277801d7e4ae648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c99ac072baaae058b242ccdb077750f0bcdc2b41bd6ca4221573e319f53abef2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-02-24T22:54:52Z",
    "title_canon_sha256": "c59b456a13c2053b1181840fb5c636b1fecf6636c0467408a9a9c444586e783d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0002071",
    "kind": "arxiv",
    "version": 2
  }
}