Pith Number

pith:I2YJVKFW

pith:2015:I2YJVKFWRO4HNN4EQLXOHNWTE3

not attested not anchored not stored refs pending

A tunable CW UV laser with <35 kHz absolute frequency instability for precision spectroscopy of Sr Rydberg states

Alistair D. Bounds, Danielle Boddy, Daniel P. Sadler, Elizabeth M. Bridge, Matthew P. A. Jones, Niamh C. Keegan

arxiv:1512.04888 v2 · 2015-12-15 · 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{I2YJVKFWRO4HNN4EQLXOHNWTE3}

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	2026-05-18T01:21:40.511731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46b09aa8b68bb876b78482eee3b6d326fe9a357b44759491a51d7ca31a9a2e24

Aliases

arxiv: 1512.04888 · arxiv_version: 1512.04888v2 · doi: 10.48550/arxiv.1512.04888 · pith_short_12: I2YJVKFWRO4H · pith_short_16: I2YJVKFWRO4HNN4E · pith_short_8: I2YJVKFW

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/I2YJVKFWRO4HNN4EQLXOHNWTE3 \
  | 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: 46b09aa8b68bb876b78482eee3b6d326fe9a357b44759491a51d7ca31a9a2e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d83a529d1835aed50e4a7e488f153f2cd35de054ccd05a1d7897c54b15c4804c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-12-15T18:27:41Z",
    "title_canon_sha256": "79d975071bfc2acd493151525d20ba08475db8c50e40a93fdb564be042ed91ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04888",
    "kind": "arxiv",
    "version": 2
  }
}