Pith Number

pith:3SZHA7K7

pith:2009:3SZHA7K7JJNKWX6OU6F2H4ST3O

not attested not anchored not stored refs pending

Blackbody-radiation shift in a 88Sr+ ion optical frequency standard

Bindiya Arora, Charles W. Clark, Dansha Jiang, M. S. Safronova

arxiv:0904.2107 v1 · 2009-04-14 · 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{3SZHA7K7JJNKWX6OU6F2H4ST3O}

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	2026-05-18T02:14:06.088598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcb2707d5f4a5aab5fcea78ba3f253db9d1f8fa0479422833def9bad51c6df2a

Aliases

arxiv: 0904.2107 · arxiv_version: 0904.2107v1 · doi: 10.48550/arxiv.0904.2107 · pith_short_12: 3SZHA7K7JJNK · pith_short_16: 3SZHA7K7JJNKWX6O · pith_short_8: 3SZHA7K7

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/3SZHA7K7JJNKWX6OU6F2H4ST3O \
  | 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: dcb2707d5f4a5aab5fcea78ba3f253db9d1f8fa0479422833def9bad51c6df2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd431a32de24badf2a33b8a0593839ad97ba4fcfd82abe4fdd86ca79ae5d1eeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-04-14T12:18:07Z",
    "title_canon_sha256": "e7ca28d75d06e9dc4f460aee73bbef21b04205704d2c466ad25b97346aefb7e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2107",
    "kind": "arxiv",
    "version": 1
  }
}