Pith Number

pith:42SYP2BI

pith:2002:42SYP2BIDWYFBIYD2G5V7SULSV

not attested not anchored not stored refs pending

Does particle decay cause wave function collapse: An experimental test

Joakim Nystrand, Spencer R. Klein

arxiv:quant-ph/0206060 v2 · 2002-06-11 · quant-ph · hep-ph · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42SYP2BIDWYFBIYD2G5V7SULSV}

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	2026-07-04T16:36:05.567153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a587e8281db050a303d1bb5fca8b955d22084240c6e00b66a620011a87602e

Aliases

arxiv: quant-ph/0206060 · arxiv_version: quant-ph/0206060v2 · doi: 10.48550/arxiv.quant-ph/0206060 · pith_short_12: 42SYP2BIDWYF · pith_short_16: 42SYP2BIDWYFBIYD · pith_short_8: 42SYP2BI

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/42SYP2BIDWYFBIYD2G5V7SULSV \
  | 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: e6a587e8281db050a303d1bb5fca8b955d22084240c6e00b66a620011a87602e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f3f03ed28b075cb762d7fb767f39319c5057cefc5e002d0332956ae6bccef62",
    "cross_cats_sorted": [
      "hep-ph",
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-06-11T01:20:33Z",
    "title_canon_sha256": "49454b8044cb15227c83fbdec895230e9a501d732f9b116a8940425261607ddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0206060",
    "kind": "arxiv",
    "version": 2
  }
}