Pith Number

pith:3FCP2HYP

pith:2015:3FCP2HYPODLYPBW5LANE6DIPPM

not attested not anchored not stored refs pending

A VUV detection system for the direct photonic identification of the first excited isomeric state of $^{229}$Th

Benedict Seiferle, Lars von der Wense, Mustapha Laatiaoui, Peter G. Thirolf

arxiv:1511.07750 v1 · 2015-11-24 · 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{3FCP2HYPODLYPBW5LANE6DIPPM}

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	2026-05-18T00:45:35.153041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d944fd1f0f70d78786dd581a4f0d0f7b3ea216b3f3b36eb57f284d82b5b65f71

Aliases

arxiv: 1511.07750 · arxiv_version: 1511.07750v1 · doi: 10.48550/arxiv.1511.07750 · pith_short_12: 3FCP2HYPODLY · pith_short_16: 3FCP2HYPODLYPBW5 · pith_short_8: 3FCP2HYP

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/3FCP2HYPODLYPBW5LANE6DIPPM \
  | 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: d944fd1f0f70d78786dd581a4f0d0f7b3ea216b3f3b36eb57f284d82b5b65f71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6fce4015ef5c4a5b570e2ce4300d6ed1545a2608be84f4afe567d7b4211a16b",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2015-11-24T15:24:57Z",
    "title_canon_sha256": "d25f9ccc442183b5710649043f298c4640ec904c39d930672222579cca462446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07750",
    "kind": "arxiv",
    "version": 1
  }
}