Pith Number

pith:IQERQTOL

pith:2015:IQERQTOLST2DKENSHA7S325DED

not attested not anchored not stored refs pending

Intermittent optical frequency measurements to reduce the dead time uncertainty of frequency link

Hidekazu Hachisu, Tetsuya Ido

arxiv:1508.05996 v1 · 2015-08-24 · physics.atom-ph · physics.optics · quant-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{IQERQTOLST2DKENSHA7S325DED}

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	2026-05-18T01:29:13.145119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4409184dcb94f43511b2383f2deba320fdb8c5b6897c8ae32d048353118abb4f

Aliases

arxiv: 1508.05996 · arxiv_version: 1508.05996v1 · doi: 10.48550/arxiv.1508.05996 · pith_short_12: IQERQTOLST2D · pith_short_16: IQERQTOLST2DKENS · pith_short_8: IQERQTOL

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/IQERQTOLST2DKENSHA7S325DED \
  | 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: 4409184dcb94f43511b2383f2deba320fdb8c5b6897c8ae32d048353118abb4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df70ad38d7667e1e0e608c6e895edc7d193c47e7ad242b761baccabbf71eeffa",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-08-24T23:39:28Z",
    "title_canon_sha256": "73d189247989713f27cb10a0b032bda7811fe6f74045811cdcfabf313fda7261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05996",
    "kind": "arxiv",
    "version": 1
  }
}