Pith Number

pith:L757JACG

pith:2018:L757JACGRTTM33TARHQFEZCJUH

not attested not anchored not stored refs pending

Towards a precise determination of the excitation energy of the Thorium nuclear isomer using a magnetic bottle spectrometer

Benedict Seiferle, Benjamin Kotulski, Ines Amersdorffer, Lars von der Wense, Nicolas Arlt, Peter G. Thirolf

arxiv:1812.04621 v2 · 2018-12-11 · physics.ins-det · 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{L757JACGRTTM33TARHQFEZCJUH}

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	2026-05-17T23:58:24.558456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ffbf480468ce6cdee6089e0526449a1d27e824063d899735d71638c73cd12c5

Aliases

arxiv: 1812.04621 · arxiv_version: 1812.04621v2 · doi: 10.48550/arxiv.1812.04621 · pith_short_12: L757JACGRTTM · pith_short_16: L757JACGRTTM33TA · pith_short_8: L757JACG

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/L757JACGRTTM33TARHQFEZCJUH \
  | 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: 5ffbf480468ce6cdee6089e0526449a1d27e824063d899735d71638c73cd12c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af694c2b43a04b9c40fadc7fe8e7a8e28c6f2102b346fa09d82a4e15f0365cbb",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2018-12-11T12:53:49Z",
    "title_canon_sha256": "7236d6dd9f523eb7a039eb13684be0903d43b80afb2d6c66daee28ad345a69c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04621",
    "kind": "arxiv",
    "version": 2
  }
}