Pith Number

pith:POFTADLZ

pith:2008:POFTADLZXBGMXLLE5K7YFF45H4

not attested not anchored not stored refs pending

Measurement of the hyperfine splitting of the 6S$_{1/2}$ level in rubidium

A. Perez Galvan, L. A. Orozco, Y. Zhao

arxiv:0807.1438 v1 · 2008-07-09 · 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{POFTADLZXBGMXLLE5K7YFF45H4}

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	2026-07-04T17:11:43.460551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b8b300d79b84ccbad64eabf82979d3f233a6a26f5a789fbc125eb347a0f8965

Aliases

arxiv: 0807.1438 · arxiv_version: 0807.1438v1 · doi: 10.48550/arxiv.0807.1438 · pith_short_12: POFTADLZXBGM · pith_short_16: POFTADLZXBGMXLLE · pith_short_8: POFTADLZ

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/POFTADLZXBGMXLLE5K7YFF45H4 \
  | 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: 7b8b300d79b84ccbad64eabf82979d3f233a6a26f5a789fbc125eb347a0f8965

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fb56ee0420525c63f0f150abb9f951aab43b07179588d29c664812c75dabd30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2008-07-09T12:55:07Z",
    "title_canon_sha256": "b3c5e515bb92ee137f955b9f3c6fd19a15e4ca89ed1ba272a9c562b10b7966d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.1438",
    "kind": "arxiv",
    "version": 1
  }
}