Pith Number

pith:OPPZZ4R5

pith:2013:OPPZZ4R5RRIOQZ4XSI6V56LSEL

not attested not anchored not stored refs pending

Average and recommended half-life values for two neutrino double beta decay: upgrade-2013

A.S. Barabash

arxiv:1311.2421 v1 · 2013-11-11 · 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{OPPZZ4R5RRIOQZ4XSI6V56LSEL}

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	2026-05-18T01:46:32.431402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73df9cf23d8c50e86797923d5ef97222ed9541c0ae6d33df19810975a93d35ae

Aliases

arxiv: 1311.2421 · arxiv_version: 1311.2421v1 · doi: 10.48550/arxiv.1311.2421 · pith_short_12: OPPZZ4R5RRIO · pith_short_16: OPPZZ4R5RRIOQZ4X · pith_short_8: OPPZZ4R5

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/OPPZZ4R5RRIOQZ4XSI6V56LSEL \
  | 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: 73df9cf23d8c50e86797923d5ef97222ed9541c0ae6d33df19810975a93d35ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a46e748215b57b917565bf9c618a241c603859c87ba5490998082d068e450e1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2013-11-11T11:46:05Z",
    "title_canon_sha256": "495e913a613b897034f801168e161d6c4ac28a124897ee114da324a7709b834d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2421",
    "kind": "arxiv",
    "version": 1
  }
}