Pith Number

pith:R2TFWCGH

pith:2022:R2TFWCGHWCH7WE7K2HEZKIGYNO

not attested not anchored not stored refs pending

Search for ultralight dark matter from long-term frequency comparisons of optical and microwave atomic clocks

Akifumi Takamizawa, Akiko Nishiyama, Akio Kawasaki, Daisuke Akamatsu, Hajime Inaba, Kazumoto Hosaka, Masami Yasuda, Masato Wada, Takehiko Tanabe, Takumi Kobayashi, Yusuke Hisai

arxiv:2212.05721 v1 · 2022-12-12 · 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{R2TFWCGHWCH7WE7K2HEZKIGYNO}

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

3 papers in Pith

$\phi$-Dwarfs: White Dwarfs probe Quadratically Coupled Scalars

Is the Conventional Picture of Coherence Time Complete? Dark Matter Recoherence

Wave-envelope dark matter beyond the monochromatic paradigm

Receipt and verification

First computed	2026-07-05T05:24:18.939440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea65b08c7b08ffb13ead1c99520d86bb8f682c5f0f3dd3f24eaaa8c9fb2a8f0

Aliases

arxiv: 2212.05721 · arxiv_version: 2212.05721v1 · doi: 10.48550/arxiv.2212.05721 · pith_short_12: R2TFWCGHWCH7 · pith_short_16: R2TFWCGHWCH7WE7K · pith_short_8: R2TFWCGH

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/R2TFWCGHWCH7WE7K2HEZKIGYNO \
  | 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: 8ea65b08c7b08ffb13ead1c99520d86bb8f682c5f0f3dd3f24eaaa8c9fb2a8f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31dbc39390013f3046931b6183928816b2089969624c559732875954a3b3a6ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2022-12-12T05:59:42Z",
    "title_canon_sha256": "9d1d23d15bce8397de7d71dc54184f839cac08607e8688d4aa087743f15bcd92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.05721",
    "kind": "arxiv",
    "version": 1
  }
}