Pith Number

pith:EUAMHPTZ

pith:2002:EUAMHPTZLBMLD2A3TG47KWBPIY

not attested not anchored not stored refs pending

Possible Evidence of Time Variation of Weak Interaction Constant from Double Beta Decay Experiments

A.S. Barabash

arxiv:nucl-ex/0210011 v2 · 2002-10-08 · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EUAMHPTZLBMLD2A3TG47KWBPIY}

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	2026-05-18T02:35:38.159254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2500c3be795858b1e81b99b9f5582f463636e6af90072e943d381f2f127a2ec0

Aliases

arxiv: nucl-ex/0210011 · arxiv_version: nucl-ex/0210011v2 · doi: 10.48550/arxiv.nucl-ex/0210011 · pith_short_12: EUAMHPTZLBML · pith_short_16: EUAMHPTZLBMLD2A3 · pith_short_8: EUAMHPTZ

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/EUAMHPTZLBMLD2A3TG47KWBPIY \
  | 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: 2500c3be795858b1e81b99b9f5582f463636e6af90072e943d381f2f127a2ec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe7d74f1a5e05c2be02ade178b8c079e70ae145a557653db376d2c7d15ca66d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-ex",
    "submitted_at": "2002-10-08T12:39:26Z",
    "title_canon_sha256": "2ac62537c0390055ee70f0d289a5bca1eb925b5029b682e9331ee25bb2e15935"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-ex/0210011",
    "kind": "arxiv",
    "version": 2
  }
}