Pith Number

pith:SMMRO4FB

pith:2021:SMMRO4FBOJI6LOFWUUKVMQUBCG

not attested not anchored not stored refs pending

Fundamental Physics with a State-of-the-Art Optical Clock in Space

Andrei Derevianko, Chris Oates, Kurt Gibble, Laura C. Sinclair, Leo Hollberg, Marianna S. Safronova, Nan Yu, Nathan R. Newbury

arxiv:2112.10817 v1 · 2021-12-20 · gr-qc · 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{SMMRO4FBOJI6LOFWUUKVMQUBCG}

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.

Cited by

1 paper in Pith

A directional force template for quadratically coupled ultralight dark matter

Receipt and verification

First computed	2026-07-05T03:42:26.537053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93191770a17251e5b8b6a51556428111ad9742508cb38d2a3db7301959f557a8

Aliases

arxiv: 2112.10817 · arxiv_version: 2112.10817v1 · doi: 10.48550/arxiv.2112.10817 · pith_short_12: SMMRO4FBOJI6 · pith_short_16: SMMRO4FBOJI6LOFW · pith_short_8: SMMRO4FB

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/SMMRO4FBOJI6LOFWUUKVMQUBCG \
  | 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: 93191770a17251e5b8b6a51556428111ad9742508cb38d2a3db7301959f557a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daf63e04dd2fff0fd56001fd3350beae16ceefb50f4d4047650e2de44a4915e1",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-12-20T19:25:54Z",
    "title_canon_sha256": "27f4861c34ff55864f2bca5d0c24051ab4f7201a70ef914f48f0d38d2f4392b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10817",
    "kind": "arxiv",
    "version": 1
  }
}