Pith Number

pith:LCXFRATS

pith:2005:LCXFRATS254RO2EN2DE7DNH3WW

not attested not anchored not stored refs pending

A High Temperature Calcium Vapor Cell for Spectroscopy on the 4s^2 1S0 to 4s4p 3P1 Intercombination Line

Brian Neyenhuis, Christopher J. Erickson, Dallin S. Durfee

arxiv:physics/0509239 v1 · 2005-09-28 · physics.atom-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LCXFRATS254RO2EN2DE7DNH3WW}

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	2026-05-18T01:05:08.233227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58ae588272d77917688dd0c9f1b4fbb585cf6376161c17290e96dfec0dcb348f

Aliases

arxiv: physics/0509239 · arxiv_version: physics/0509239v1 · doi: 10.48550/arxiv.physics/0509239 · pith_short_12: LCXFRATS254R · pith_short_16: LCXFRATS254RO2EN · pith_short_8: LCXFRATS

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/LCXFRATS254RO2EN2DE7DNH3WW \
  | 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: 58ae588272d77917688dd0c9f1b4fbb585cf6376161c17290e96dfec0dcb348f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fe2deee8879146cfe41f6a4abd91ac0ab433599dddb3575ab9db9ee57666e1f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2005-09-28T20:27:07Z",
    "title_canon_sha256": "365196d1d36da50bd29a610eb4cd174baf3efe7a3f175ed35de5a19c9cdbf682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0509239",
    "kind": "arxiv",
    "version": 1
  }
}