Pith Number

pith:GK2I5T4D

pith:2018:GK2I5T4DM3IJ52IUHQKYMAS63F

not attested not anchored not stored refs pending

The frequency of the ultranarrow ${^1\text{S}_0} - {^3\text{P}_2}$ transition in $^{87}\text{Sr}$

Alexander Urech, Chun-Chia Chen, Florian Schreck, Georgios A. Siviloglou, Oleksiy Onishchenko, Sergey Pyatchenkov, Shayne Bennetts

arxiv:1812.02115 v1 · 2018-12-05 · physics.atom-ph · cond-mat.quant-gas

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GK2I5T4DM3IJ52IUHQKYMAS63F}

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	2026-05-17T23:46:41.279030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32b48ecf8366d09ee9143c1586025ed97313b9084836bd5b67a995a3db04d00a

Aliases

arxiv: 1812.02115 · arxiv_version: 1812.02115v1 · doi: 10.48550/arxiv.1812.02115 · pith_short_12: GK2I5T4DM3IJ · pith_short_16: GK2I5T4DM3IJ52IU · pith_short_8: GK2I5T4D

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/GK2I5T4DM3IJ52IUHQKYMAS63F \
  | 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: 32b48ecf8366d09ee9143c1586025ed97313b9084836bd5b67a995a3db04d00a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b04cf43c0df31ab3d96a83ce89064736afce9a898432d7a0d94e0731d232c02e",
    "cross_cats_sorted": [
      "cond-mat.quant-gas"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-12-05T17:11:40Z",
    "title_canon_sha256": "088501076becd63ed2361f977dae5391e3ea2fa6073f866d0380bf5587c141c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02115",
    "kind": "arxiv",
    "version": 1
  }
}