Pith Number

pith:IT3XLHZ4

pith:2026:IT3XLHZ4I4H5P7LGDC7ITXJIMI

not attested not anchored not stored refs pending

Exact Calculation of Two-neutrino Double Beta Decay Rate

Andrei Neacsu, Sabin Stoica, Stefan-Alexandru Ghinescu

arxiv:2606.31107 v1 · 2026-06-30 · 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{IT3XLHZ4I4H5P7LGDC7ITXJIMI}

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	2026-07-01T01:17:29.374300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44f7759f3c470fd7fd6618be89dd28622ce51ca7b0dc9bf4d1b23f2d7a5272a6

Aliases

arxiv: 2606.31107 · arxiv_version: 2606.31107v1 · doi: 10.48550/arxiv.2606.31107 · pith_short_12: IT3XLHZ4I4H5 · pith_short_16: IT3XLHZ4I4H5P7LG · pith_short_8: IT3XLHZ4

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/IT3XLHZ4I4H5P7LGDC7ITXJIMI \
  | 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: 44f7759f3c470fd7fd6618be89dd28622ce51ca7b0dc9bf4d1b23f2d7a5272a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c34d628f195962957d8a028da47ae2a0e0e7adfb229530a0b0cda1f5294913d5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2026-06-30T04:04:04Z",
    "title_canon_sha256": "1b2979f705c83ff4d1c64143784eed4322ae633ed7b8f4dca002499862bada93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31107",
    "kind": "arxiv",
    "version": 1
  }
}