Pith Number

pith:MY25GUX4

pith:2025:MY25GUX4L3WVHDR4NHQHEMWRPV

not attested not anchored not stored refs pending

Blackbody radiation Zeeman shift in Rydberg atoms

A. D. Ludlow, B. D. Hunt, J. L. Siegel, K. Beloy, R. C. Brown, T. Bothwell, T. Grogan, Y. S. Hassan

arxiv:2507.00948 v1 · 2025-07-01 · 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{MY25GUX4L3WVHDR4NHQHEMWRPV}

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	2026-07-05T11:30:18.173295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6635d352fc5eed538e3c69e07232d17d735df579e2c3959124f72f0133aa4ae7

Aliases

arxiv: 2507.00948 · arxiv_version: 2507.00948v1 · doi: 10.48550/arxiv.2507.00948 · pith_short_12: MY25GUX4L3WV · pith_short_16: MY25GUX4L3WVHDR4 · pith_short_8: MY25GUX4

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/MY25GUX4L3WVHDR4NHQHEMWRPV \
  | 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: 6635d352fc5eed538e3c69e07232d17d735df579e2c3959124f72f0133aa4ae7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cb165bf566fe49dbbdde2cc91a9289f8a308fee05c6c24b870810a360f945ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-07-01T16:51:48Z",
    "title_canon_sha256": "fc913495db85d95e435d9f86a4477b1f99b03ccaedbd98b70a87313051c30644"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.00948",
    "kind": "arxiv",
    "version": 1
  }
}