Pith Number

pith:4JOZ4XJC

pith:2018:4JOZ4XJCH2D4AA2QGF4K7YJIA4

not attested not anchored not stored refs pending

Excitation of $^{229}$Th nuclei in laser plasma: the energy and half-life of the low-lying isomeric state

E.V. Chubunova, E.V. Tkalya, N.N. Kolachevsky, O.S. Vasiliev, P.V. Borisyuk, Yu.Yu. Lebedinskii

arxiv:1804.00299 v1 · 2018-04-01 · nucl-th · nucl-ex · physics.optics · physics.plasm-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JOZ4XJCH2D4AA2QGF4K7YJIA4}

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	2026-05-18T00:19:37.741790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25d9e5d223e87c003503178afe128073809242d0eb3811f0e3e2b34ac60e822

Aliases

arxiv: 1804.00299 · arxiv_version: 1804.00299v1 · doi: 10.48550/arxiv.1804.00299 · pith_short_12: 4JOZ4XJCH2D4 · pith_short_16: 4JOZ4XJCH2D4AA2Q · pith_short_8: 4JOZ4XJC

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/4JOZ4XJCH2D4AA2QGF4K7YJIA4 \
  | 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: e25d9e5d223e87c003503178afe128073809242d0eb3811f0e3e2b34ac60e822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "679f4eede6041d68e9d270ebebfcc9d2a974dab780f0b5c13d64ff7cc22789f9",
    "cross_cats_sorted": [
      "nucl-ex",
      "physics.optics",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2018-04-01T14:00:32Z",
    "title_canon_sha256": "c0bc2683d503d5f7404bb3754b645c58406ee7bd9cde04b608d13cc4b7b00a79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00299",
    "kind": "arxiv",
    "version": 1
  }
}