Pith Number

pith:4RLKP66A

pith:2021:4RLKP66A4ITBDY4KEKGU4NVSWP

not attested not anchored not stored refs pending

Direct measurement of the mass difference of $^{72}$As-$^{72}$Ge rules out $^{72}$As as a promising $\beta$-decay candidate to determine the neutrino mass

A. de Roubin, A. Jokinen, A. Kankainen, \'A. Koszor\'us, A. P. Weaver, A. Raggio, A. Zadvornaya, D. A. Nesterenko, I. D. Moore, J. Kostensalo, J. Kotila, J. Suhonen, M. Hukkanen, O. Beliuskina, R. de Groote, S. Geldhof, S. Rinta-Antila, T. Eronen, V. Virtanen, W. Gins, Z. Ge

arxiv:2103.08729 v1 · 2021-03-15 · 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{4RLKP66A4ITBDY4KEKGU4NVSWP}

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	2026-07-05T02:51:20.489878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e456a7fbc0e22611e38a228d4e36b2b3c237e795e6e932a9a4e4dfe540a4e6c6

Aliases

arxiv: 2103.08729 · arxiv_version: 2103.08729v1 · doi: 10.48550/arxiv.2103.08729 · pith_short_12: 4RLKP66A4ITB · pith_short_16: 4RLKP66A4ITBDY4K · pith_short_8: 4RLKP66A

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/4RLKP66A4ITBDY4KEKGU4NVSWP \
  | 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: e456a7fbc0e22611e38a228d4e36b2b3c237e795e6e932a9a4e4dfe540a4e6c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "086c2e2c7b8ccd934779f8532335846b0b565a9be7af8ffc4cf7f166f3e3aff5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2021-03-15T21:29:04Z",
    "title_canon_sha256": "a9c1f57aa27da3107e7aafbd1acde02d278f3ee3c3285a79f64b596a472807c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.08729",
    "kind": "arxiv",
    "version": 1
  }
}