Pith Number

pith:D75ZTNXO

pith:2014:D75ZTNXOFXRALEFBLDX7UZUU4V

not attested not anchored not stored refs pending

Measurement of magic wavelengths for the 40Ca+ clock transition

Chengbin Li, Hua Guan, Hu Shao, J. Mitroy, Kelin Gao, Peiliang Liu, Wu Bian, Yao Huang, Yongbo Tang

arxiv:1409.2576 v4 · 2014-09-09 · 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{D75ZTNXOFXRALEFBLDX7UZUU4V}

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	2026-05-18T01:48:06.690804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ffb99b6ee2de20590a158effa6694e56dfc0cd2c6bd0819bca78ac299ba8c88

Aliases

arxiv: 1409.2576 · arxiv_version: 1409.2576v4 · doi: 10.48550/arxiv.1409.2576 · pith_short_12: D75ZTNXOFXRA · pith_short_16: D75ZTNXOFXRALEFB · pith_short_8: D75ZTNXO

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/D75ZTNXOFXRALEFBLDX7UZUU4V \
  | 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: 1ffb99b6ee2de20590a158effa6694e56dfc0cd2c6bd0819bca78ac299ba8c88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2860f6d987041befb78ec037cfef188674dc18e1c31d4e036b66cf30f9573780",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2014-09-09T02:43:24Z",
    "title_canon_sha256": "40e6b98f700c8ac5ed055b97c46fbbd1a7235ccd7560ccb7cc76eecb63190606"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2576",
    "kind": "arxiv",
    "version": 4
  }
}