Pith Number

pith:PIRWU6S7

pith:2001:PIRWU6S7ALVPUBY5HJUACYAAEZ

not attested not anchored not stored refs pending

Frequent observations accelerate decay: The anti-Zeno effect

A. G. Kofman, G. Kurizki

arxiv:quant-ph/0102002 v2 · 2001-02-01 · 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{PIRWU6S7ALVPUBY5HJUACYAAEZ}

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	2026-05-18T00:47:54.933852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a236a7a5f02eafa071d3a68016000267a4c2b67da55ef4c48b2de2ff8989025

Aliases

arxiv: quant-ph/0102002 · arxiv_version: quant-ph/0102002v2 · doi: 10.48550/arxiv.quant-ph/0102002 · pith_short_12: PIRWU6S7ALVP · pith_short_16: PIRWU6S7ALVPUBY5 · pith_short_8: PIRWU6S7

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/PIRWU6S7ALVPUBY5HJUACYAAEZ \
  | 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: 7a236a7a5f02eafa071d3a68016000267a4c2b67da55ef4c48b2de2ff8989025

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5af8b966495391faaffe412c2256b28bb2f8d6c090a9914f76d64ab16687ca17",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-02-01T09:45:31Z",
    "title_canon_sha256": "29ebd0468fae818a2bfeafbb7f1e0ed5c81ba0872042584470e6aa7da3f18b49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0102002",
    "kind": "arxiv",
    "version": 2
  }
}