Pith Number

pith:M256RWAR

pith:2009:M256RWARAFY2UJGSN3NRCUEQDT

not attested not anchored not stored refs pending

Doppler-free laser spectroscopy of buffer gas cooled molecular radicals

B. E. Sauer, C. D. J. Sinclair, D. M. Segal, E. A. Hinds, J. J. Hudson, M. R. Tarbutt, R. J. Hendricks, S. M. Skoff

arxiv:0909.5534 v2 · 2009-09-30 · 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{M256RWARAFY2UJGSN3NRCUEQDT}

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	2026-05-18T02:11:36.094648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66bbe8d8110171aa24d26edb1150901cce5ef7a890be1ddf6e1097d0ce0ca8e0

Aliases

arxiv: 0909.5534 · arxiv_version: 0909.5534v2 · doi: 10.48550/arxiv.0909.5534 · pith_short_12: M256RWARAFY2 · pith_short_16: M256RWARAFY2UJGS · pith_short_8: M256RWAR

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/M256RWARAFY2UJGSN3NRCUEQDT \
  | 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: 66bbe8d8110171aa24d26edb1150901cce5ef7a890be1ddf6e1097d0ce0ca8e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a39bc7a24a7bee080e700a131ce4e3ee136d3464832453bfad57ee5f1646307c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-09-30T08:14:44Z",
    "title_canon_sha256": "0b53509516695af9d40b34fe7a8b91df848e2343e530f75d77234be1869bfb46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5534",
    "kind": "arxiv",
    "version": 2
  }
}