Pith Number

pith:NRFA75PQ

pith:2025:NRFA75PQQOF3KWV74NPKHPGNBC

not attested not anchored not stored refs pending

Determination of Quantum Defects and Core Polarizability of Atomic Cesium via Terahertz and Radio-Frequency Spectroscopy in Thermal Vapor

C. Stuart Adams, Gianluca Allinson, Kevin J. Weatherill, Lucy A. Downes

arxiv:2502.20961 v1 · 2025-02-28 · 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{NRFA75PQQOF3KWV74NPKHPGNBC}

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	2026-07-05T11:14:04.703108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c4a0ff5f0838bb55abfe35ea3bccd08b10e2f6b7fd3088dc95607e6775a446b

Aliases

arxiv: 2502.20961 · arxiv_version: 2502.20961v1 · doi: 10.48550/arxiv.2502.20961 · pith_short_12: NRFA75PQQOF3 · pith_short_16: NRFA75PQQOF3KWV7 · pith_short_8: NRFA75PQ

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/NRFA75PQQOF3KWV74NPKHPGNBC \
  | 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: 6c4a0ff5f0838bb55abfe35ea3bccd08b10e2f6b7fd3088dc95607e6775a446b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fa26e196d8e95f653cb11f877e1cd5fa201789edeeadd0c1663ed09eb6b3f93",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-02-28T11:21:21Z",
    "title_canon_sha256": "5adb761e9ccda7b4cc04cc75427aa28c576ca07a20a76479ddba24e06df8e15b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.20961",
    "kind": "arxiv",
    "version": 1
  }
}