Pith Number

pith:66RV5GIG

pith:2009:66RV5GIGDC7DQRWRYA452GEUTB

not attested not anchored not stored refs pending

Measurement of the Boltzmann constant by the Doppler broadening technique at a 3,8x10-5 accuracy level

Alexandre Gauguet (LPL), Anne Amy-Klein (LPL), Beno\^it Darqui\'e (LPL), Christian Chardonnet (LPL), Christian J. Bord\'e (LPL), Christophe Daussy (LPL), Cyril Lemarchand (LPL), Khelifa Djerroud (LPL), Olivier Lopez (LPL), Stephan Briaudeau (LNE-INM CNAM)

arxiv:0911.2506 v1 · 2009-11-12 · physics.atom-ph · quant-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{66RV5GIGDC7DQRWRYA452GEUTB}

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	2026-05-18T03:44:34.180059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7a35e990618be3846d1c039dd189498658e4ba9acefaba25b2462f7af75a4ba

Aliases

arxiv: 0911.2506 · arxiv_version: 0911.2506v1 · doi: 10.48550/arxiv.0911.2506 · pith_short_12: 66RV5GIGDC7D · pith_short_16: 66RV5GIGDC7DQRWR · pith_short_8: 66RV5GIG

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/66RV5GIGDC7DQRWRYA452GEUTB \
  | 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: f7a35e990618be3846d1c039dd189498658e4ba9acefaba25b2462f7af75a4ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8831d588dc13e51b1cbe6c316540aa0eacb79b06154478cd271e605df49e7df4",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-11-12T23:16:41Z",
    "title_canon_sha256": "65edca45347b43c4b908ec36453101f2740b9d39091588d008fbd7778f0efb68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2506",
    "kind": "arxiv",
    "version": 1
  }
}