Pith Number

pith:5ZCB2RWB

pith:2008:5ZCB2RWBCX3OXFKVA45ZUKS7W5

not attested not anchored not stored refs pending

AC Stark shift of the Cs microwave atomic clock transitions

A. Derevianko, K. Beloy, P. Rosenbusch, S. Ghezali, V. A. Dzuba, V. V. Flambaum

arxiv:0810.4208 v1 · 2008-10-23 · 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{5ZCB2RWBCX3OXFKVA45ZUKS7W5}

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	2026-05-18T04:18:33.315825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee441d46c115f6eb9555073b9a2a5fb744c518eeb3fb2fad1ec278649a5dc43a

Aliases

arxiv: 0810.4208 · arxiv_version: 0810.4208v1 · doi: 10.48550/arxiv.0810.4208 · pith_short_12: 5ZCB2RWBCX3O · pith_short_16: 5ZCB2RWBCX3OXFKV · pith_short_8: 5ZCB2RWB

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/5ZCB2RWBCX3OXFKVA45ZUKS7W5 \
  | 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: ee441d46c115f6eb9555073b9a2a5fb744c518eeb3fb2fad1ec278649a5dc43a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2b82274583bb2bd9baec2098b76f3809f207f8e0e31b0bd9afbe1fbf0fce521",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2008-10-23T05:34:00Z",
    "title_canon_sha256": "311acbc2eafe49487dfe586d709ab422eb5d88230f39c7b8b15757f1ac8715b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4208",
    "kind": "arxiv",
    "version": 1
  }
}