Pith Number

pith:RWGKI3RK

pith:2012:RWGKI3RKPBXJNI5GH3QSODPP2F

not attested not anchored not stored refs pending

Sub-natural linewidths in excited-state spectroscopy

C. Carr, C. S. Adams, K. J. Weatherill, M. Tanasittikosol

arxiv:1202.1972 v1 · 2012-02-09 · 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{RWGKI3RKPBXJNI5GH3QSODPP2F}

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	2026-05-18T03:55:58.787712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d8ca46e2a786e96a3a63ee1270defd17855d55d51548c7ed9489d2125dacfdd

Aliases

arxiv: 1202.1972 · arxiv_version: 1202.1972v1 · doi: 10.48550/arxiv.1202.1972 · pith_short_12: RWGKI3RKPBXJ · pith_short_16: RWGKI3RKPBXJNI5G · pith_short_8: RWGKI3RK

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/RWGKI3RKPBXJNI5GH3QSODPP2F \
  | 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: 8d8ca46e2a786e96a3a63ee1270defd17855d55d51548c7ed9489d2125dacfdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1e29b76116d25b8237989652de954d5d481e22fd736ec8b70372cb9aa174ec2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-02-09T13:17:15Z",
    "title_canon_sha256": "a9ddf1d1c8945a408bda76977cfcb251c71ebbcb12bf2c87e2a1f0403041515e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1972",
    "kind": "arxiv",
    "version": 1
  }
}