Pith Number

pith:LJ45NGR6

pith:2010:LJ45NGR6J7V7IR5CUQ52YAYLEI

not attested not anchored not stored refs pending

Subnatural linewidth in a strongly-driven closed $F \rightarrow F'$ transition

Alok K. Singh, Boris Brun, Kanhaiya Pandey, Sapam Ranjita Chanu, Vasant Natarajan

arxiv:1008.3231 v1 · 2010-08-19 · physics.optics · 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{LJ45NGR6J7V7IR5CUQ52YAYLEI}

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	2026-05-18T04:42:03.069780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a79d69a3e4febf447a2a43bac030b221c55c45acc8aa314f1d2142c12d3a045

Aliases

arxiv: 1008.3231 · arxiv_version: 1008.3231v1 · doi: 10.48550/arxiv.1008.3231 · pith_short_12: LJ45NGR6J7V7 · pith_short_16: LJ45NGR6J7V7IR5C · pith_short_8: LJ45NGR6

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/LJ45NGR6J7V7IR5CUQ52YAYLEI \
  | 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: 5a79d69a3e4febf447a2a43bac030b221c55c45acc8aa314f1d2142c12d3a045

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "347358f8c4354b31220c42972a62535b04dd5cdcfb0905bc002be4b3c869e8a6",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-08-19T07:10:52Z",
    "title_canon_sha256": "f1fcb9f0ad3c89cfde08a7b9c2963121c8ef88e099c6b8424d1a5ba61183cb30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3231",
    "kind": "arxiv",
    "version": 1
  }
}