Pith Number

pith:DDY2AHTE

pith:2017:DDY2AHTEXTGURSMXDEHU4KEXF7

not attested not anchored not stored refs pending

Two-step pulse observation to improve resonance contrast for coherent population trapping atomic clock

Masatoshi Kajita, Shigeyoshi Goka, Yuichiro Yano

arxiv:1701.05696 v1 · 2017-01-20 · 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{DDY2AHTEXTGURSMXDEHU4KEXF7}

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	2026-05-18T00:49:09.701642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18f1a01e64bccd48c997190f4e28972ffc6b9b0235e996237d4b337cc4d777da

Aliases

arxiv: 1701.05696 · arxiv_version: 1701.05696v1 · doi: 10.48550/arxiv.1701.05696 · pith_short_12: DDY2AHTEXTGU · pith_short_16: DDY2AHTEXTGURSMX · pith_short_8: DDY2AHTE

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/DDY2AHTEXTGURSMXDEHU4KEXF7 \
  | 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: 18f1a01e64bccd48c997190f4e28972ffc6b9b0235e996237d4b337cc4d777da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0c51cebbfad310658181d5259a0b551cc96e3bcfa27cc9715f12f066de35439",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2017-01-20T05:22:40Z",
    "title_canon_sha256": "575c4a625874c9cb3b3ec64f7545e924c46589aad69fdb024ec256cc00dc79cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05696",
    "kind": "arxiv",
    "version": 1
  }
}