Pith Number

pith:KKNFSWYN

pith:2010:KKNFSWYNCGMBWC7KVMGXW6KXYY

not attested not anchored not stored refs pending

Precise measurement of hyperfine structure in the ${2P}_{1/2}$ state of $^{7}$Li using saturated-absorption spectroscopy

Alok K. Singh, Lal Muanzuala, Vasant Natarajan

arxiv:1008.3228 v1 · 2010-08-19 · physics.atom-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKNFSWYNCGMBWC7KVMGXW6KXYY}

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	2026-05-18T02:05:46.711714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

529a595b0d11981b0beaab0d7b7957c630728951b5ef6ca3c39dcead151c629a

Aliases

arxiv: 1008.3228 · arxiv_version: 1008.3228v1 · doi: 10.48550/arxiv.1008.3228 · pith_short_12: KKNFSWYNCGMB · pith_short_16: KKNFSWYNCGMBWC7K · pith_short_8: KKNFSWYN

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/KKNFSWYNCGMBWC7KVMGXW6KXYY \
  | 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: 529a595b0d11981b0beaab0d7b7957c630728951b5ef6ca3c39dcead151c629a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac7cfe720b29ec3d8dcf2784e42b1c00a82223145c9ed70c94f3e22acb46a861",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2010-08-19T06:58:23Z",
    "title_canon_sha256": "5e0b80e5e8777d7f8399666ff5e7a46ecdc6075dc012f44e54a870f1fda849a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3228",
    "kind": "arxiv",
    "version": 1
  }
}