Pith Number

pith:IW4BYDLV

pith:2018:IW4BYDLVBYHGKST2GM7DO7M2XE

not attested not anchored not stored refs pending

Nuclear charge radii of $^{229}$Th from isotope and isomer shifts

D. M. Meier, E. Peik, J. Thielking, M. G. Kozlov, M. S. Safronova, M. V. Okhapkin, P. G{\l}owacki, S. G. Porsev

arxiv:1806.03525 v1 · 2018-06-09 · physics.atom-ph · nucl-ex · nucl-th · 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{IW4BYDLVBYHGKST2GM7DO7M2XE}

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	2026-05-17T23:59:52.577088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b81c0d750e0e654a7a333e377d9ab907228b9541e64aaca0b0603eda0b25a0

Aliases

arxiv: 1806.03525 · arxiv_version: 1806.03525v1 · doi: 10.48550/arxiv.1806.03525 · pith_short_12: IW4BYDLVBYHG · pith_short_16: IW4BYDLVBYHGKST2 · pith_short_8: IW4BYDLV

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/IW4BYDLVBYHGKST2GM7DO7M2XE \
  | 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: 45b81c0d750e0e654a7a333e377d9ab907228b9541e64aaca0b0603eda0b25a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8294b5a812e098fa39af68e8e8e4dd8f87a8e5815105e6238d86c15212e603b",
    "cross_cats_sorted": [
      "nucl-ex",
      "nucl-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-06-09T18:28:06Z",
    "title_canon_sha256": "2111e74d55d8684e3d8b62638cf3bb71a4677e10a61ca7a94331520fc484b853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03525",
    "kind": "arxiv",
    "version": 1
  }
}