Pith Number

pith:QNCJCWTV

pith:2015:QNCJCWTV3NWFPGJJL64TNYVZLE

not attested not anchored not stored refs pending

Measuring the Th-229 nuclear isomer transition with U-233 doped crystals

Georgy Kazakov, Johannes Sterba, Matthias Schreitl, Simon Stellmer, Thorsten Schumm

arxiv:1511.07187 v1 · 2015-11-23 · nucl-ex · physics.ins-det · quant-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{QNCJCWTV3NWFPGJJL64TNYVZLE}

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	2026-05-18T01:09:32.169066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8344915a75db6c5799295fb936e2b959341a484363b9487e9303addbb3503375

Aliases

arxiv: 1511.07187 · arxiv_version: 1511.07187v1 · doi: 10.48550/arxiv.1511.07187 · pith_short_12: QNCJCWTV3NWF · pith_short_16: QNCJCWTV3NWFPGJJ · pith_short_8: QNCJCWTV

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/QNCJCWTV3NWFPGJJL64TNYVZLE \
  | 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: 8344915a75db6c5799295fb936e2b959341a484363b9487e9303addbb3503375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cbb9285f01dfb159db3869be9038589d139757ba0bbd23b935f6995942c6a2c",
    "cross_cats_sorted": [
      "physics.ins-det",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2015-11-23T12:04:50Z",
    "title_canon_sha256": "ddc1469019e4922e015340cd7fb0fc8099e4638b0b0c3a8ad478a2b88631186b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07187",
    "kind": "arxiv",
    "version": 1
  }
}