Pith Number

pith:7R3R5IUE

pith:2017:7R3R5IUE4XY3GWE6IWB4BHP4T6

not attested not anchored not stored refs pending

Ground-state hyperfine splitting for Rb, Cs, Fr, Ba^+, and Ra^+

A. V. Volotka, J. S. M. Ginges, S. Fritzsche

arxiv:1709.07725 v2 · 2017-09-22 · 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{7R3R5IUE4XY3GWE6IWB4BHP4T6}

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	2026-05-18T00:27:43.211111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc771ea284e5f1b3589e4583c09dfc9fa6b5fc269b3734e60546db5f44419f96

Aliases

arxiv: 1709.07725 · arxiv_version: 1709.07725v2 · doi: 10.48550/arxiv.1709.07725 · pith_short_12: 7R3R5IUE4XY3 · pith_short_16: 7R3R5IUE4XY3GWE6 · pith_short_8: 7R3R5IUE

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/7R3R5IUE4XY3GWE6IWB4BHP4T6 \
  | 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: fc771ea284e5f1b3589e4583c09dfc9fa6b5fc269b3734e60546db5f44419f96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2bbaf426c26b1faaea6565b1257512153646aac0026cf51ebb9e739dd58f81d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2017-09-22T13:10:27Z",
    "title_canon_sha256": "0edfb90466e822759c6602fbdb2b7061ee9e5eaa299ae6fe51c5b0014808f096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07725",
    "kind": "arxiv",
    "version": 2
  }
}