Pith Number

pith:56N4MWGZ

pith:2017:56N4MWGZMTLHDTE3UJFNK5OAQN

not attested not anchored not stored refs pending

High precision half-life measurement of $^{147}$Sm $\alpha$ decay from thin-film sources

(2) VKTA - Radiation Protection, (3) Institute of Ion Beam Physics, (4) Institute for Metallic Materials, Analytics, Detlev Degering (2), Disposal Rossendorf e.V., Heinrich Wilsenach (1), Helmholtz-Zentrum Dresden-Rossendorf, IFW Dresden), Kai Zuber (1), Materials Research, Ren\'e Heller (3), Technische Universit\"at Dresden, Volker Neu (4) ((1) Institut f\"ur Kern- und Teilchenphysik

arxiv:1703.07282 v1 · 2017-03-21 · nucl-ex · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56N4MWGZMTLHDTE3UJFNK5OAQN}

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	2026-05-18T00:45:41.274246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9bc658d964d671cc9ba24ad575c08369afd37578dac34491ff0e8e59296441

Aliases

arxiv: 1703.07282 · arxiv_version: 1703.07282v1 · doi: 10.48550/arxiv.1703.07282 · pith_short_12: 56N4MWGZMTLH · pith_short_16: 56N4MWGZMTLHDTE3 · pith_short_8: 56N4MWGZ

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/56N4MWGZMTLHDTE3UJFNK5OAQN \
  | 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: ef9bc658d964d671cc9ba24ad575c08369afd37578dac34491ff0e8e59296441

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8160e8d9b22522ef98733a28d8be3723d103fb64f1abe11b72bb894501175ce1",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2017-03-21T15:39:53Z",
    "title_canon_sha256": "16200ec88c7cdfeb47bc404741a719322d38d61907507b0e506a07ab222ad1ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07282",
    "kind": "arxiv",
    "version": 1
  }
}