Pith Number

pith:HJESZCUP

pith:2025:HJESZCUP7D7HUFB7CDPHTEFIMT

not attested not anchored not stored refs pending

Single-frequency inverted Doppler-free resonance as a platform for chip-scale optical clock

D. S. Chuchelov, E. A. Tsygankov, M. I. Vaskovskaya, S. A. Zibrov, V. L. Velichansky, V. V. Vassiliev

arxiv:2505.02219 v1 · 2025-05-04 · 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{HJESZCUP7D7HUFB7CDPHTEFIMT}

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	2026-07-05T10:58:33.880007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a492c8a8ff8fe7a143f10de7990a864c0841def7b8361fb38761ccabb09d638

Aliases

arxiv: 2505.02219 · arxiv_version: 2505.02219v1 · doi: 10.48550/arxiv.2505.02219 · pith_short_12: HJESZCUP7D7H · pith_short_16: HJESZCUP7D7HUFB7 · pith_short_8: HJESZCUP

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/HJESZCUP7D7HUFB7CDPHTEFIMT \
  | 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: 3a492c8a8ff8fe7a143f10de7990a864c0841def7b8361fb38761ccabb09d638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ae0cf9880ad74a84d60978a77fa2043ffb7dfb494698c49d354a90e06581997",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-05-04T19:05:26Z",
    "title_canon_sha256": "288875e73daf1e1a30b78e0dda3ea04a228606d6b92a71e86fe14d9a5bfc4969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02219",
    "kind": "arxiv",
    "version": 1
  }
}