Pith Number

pith:TP3QTE4L

pith:2007:TP3QTE4LEJOZM5EPTSTNU5ETOC

not attested not anchored not stored refs pending

High-precision measurement of hyperfine structure in the $D$ lines of alkali atoms

Dipankar Das, Vasant Natarajan

arxiv:0711.0067 v2 · 2007-11-01 · 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{TP3QTE4LEJOZM5EPTSTNU5ETOC}

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	2026-05-18T04:42:03.496630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bf709938b225d96748f9ca6da7493708cb90764a703f2c80c5cf2c0704d6520

Aliases

arxiv: 0711.0067 · arxiv_version: 0711.0067v2 · doi: 10.48550/arxiv.0711.0067 · pith_short_12: TP3QTE4LEJOZ · pith_short_16: TP3QTE4LEJOZM5EP · pith_short_8: TP3QTE4L

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/TP3QTE4LEJOZM5EPTSTNU5ETOC \
  | 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: 9bf709938b225d96748f9ca6da7493708cb90764a703f2c80c5cf2c0704d6520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed1aefb6a0f43fef4d76eb79da59f15a9d7d1188fccccc29f6424922e887bbc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2007-11-01T05:41:34Z",
    "title_canon_sha256": "0094586e775526b2e7e64ab9ecab9433fb0d76a626926dd4815b2bc63e16ab13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0067",
    "kind": "arxiv",
    "version": 2
  }
}