Pith Number

pith:3YQQGOM5

pith:2026:3YQQGOM56ZUIMTTZLRQEYBLI6S

not attested not anchored not stored refs pending

Defect assignment of the clock site in $^{229}\text{Th:CaF}_2$

Andrei Derevianko, Daniel A. Rehn, Eric R. Hudson, Harris E. Mason, Harry W. T. Morgan, H. B. Tran Tan, Igor M. Savukov, Michael J. Martin, Ricky Elwell

arxiv:2607.12202 v1 · 2026-07-13 · physics.atom-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{3YQQGOM56ZUIMTTZLRQEYBLI6S}

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	2026-07-15T00:21:38.371220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2103399df668864e795c604c0568f4aa1354ffca805fc9039c5b3493311e41

Aliases

arxiv: 2607.12202 · arxiv_version: 2607.12202v1 · doi: 10.48550/arxiv.2607.12202 · pith_short_12: 3YQQGOM56ZUI · pith_short_16: 3YQQGOM56ZUIMTTZ · pith_short_8: 3YQQGOM5

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/3YQQGOM56ZUIMTTZLRQEYBLI6S \
  | 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: de2103399df668864e795c604c0568f4aa1354ffca805fc9039c5b3493311e41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a5a6c0bfc14705e6c5c7b6cf45fb6156df27f5352ed0bf36548f34fee781eca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2026-07-13T23:10:04Z",
    "title_canon_sha256": "29f37ea2b83cb5c4431e335c9dffd6f52f427a8168b3b4239d1cc9e2b5c8a821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12202",
    "kind": "arxiv",
    "version": 1
  }
}