Pith Number

pith:RCN73JH5

pith:2017:RCN73JH5JSK5RMPWSIDN7FEDMQ

not attested not anchored not stored refs pending

Laser spectroscopic characterization of the nuclear clock isomer $^{229m}$Th

Benedict Seiferle, Christoph E. D\"ullmann, David M. Meier, Ekkehard Peik, Johannes Thielking, Lars von der Wense, Maxim V. Okhapkin, Peter G. Thirolf, Przemyslaw Glowacki

arxiv:1709.05325 v2 · 2017-09-15 · 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{RCN73JH5JSK5RMPWSIDN7FEDMQ}

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	2026-05-18T00:18:04.031648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

889bfda4fd4c95d8b1f69206df94836413a23b3a1800b27e6630e6b05fa26add

Aliases

arxiv: 1709.05325 · arxiv_version: 1709.05325v2 · doi: 10.48550/arxiv.1709.05325 · pith_short_12: RCN73JH5JSK5 · pith_short_16: RCN73JH5JSK5RMPW · pith_short_8: RCN73JH5

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/RCN73JH5JSK5RMPWSIDN7FEDMQ \
  | 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: 889bfda4fd4c95d8b1f69206df94836413a23b3a1800b27e6630e6b05fa26add

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a1226e64f8f2c87b3a7e4c1738d64876f7249aaba0c7ad33bbb52f974f3ef15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2017-09-15T17:35:37Z",
    "title_canon_sha256": "0064fd13414fc7e61360f7431fa74f434f162ab1b30a763dbb23896da80295c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05325",
    "kind": "arxiv",
    "version": 2
  }
}