Pith Number

pith:PMZ4C53I

pith:2007:PMZ4C53IKVWBXUNMBFZFD4COUX

not attested not anchored not stored refs pending

First direct determination of the Boltzmann constant by an optical method

Anne Amy-Klein (LPL), Christian Chardonnet (LPL), Christian J. Bord\'e (LPL), Christophe Daussy (LPL), Khelifa Djerroud (LPL), Mickael Guinet (LPL), Stephan Briaudeau (LNE-INM CNAM), Yves Hermier (LNE-INM CNAM)

arxiv:quant-ph/0701176 v1 · 2007-01-24 · 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{PMZ4C53IKVWBXUNMBFZFD4COUX}

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	2026-05-18T01:09:12.933586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b33c17768556c1bd1ac097251f04ea5d2030a2d9d8c0629f205ce6b0c1d691f

Aliases

arxiv: quant-ph/0701176 · arxiv_version: quant-ph/0701176v1 · doi: 10.48550/arxiv.quant-ph/0701176 · pith_short_12: PMZ4C53IKVWB · pith_short_16: PMZ4C53IKVWBXUNM · pith_short_8: PMZ4C53I

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/PMZ4C53IKVWBXUNMBFZFD4COUX \
  | 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: 7b33c17768556c1bd1ac097251f04ea5d2030a2d9d8c0629f205ce6b0c1d691f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a8ba634dbc61984caa4832559b75159b103106409375b94ebaff3271a0c5459",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-01-24T14:02:48Z",
    "title_canon_sha256": "41f0b5ad8bd6a577a6353a8fe772c6e3d4a3b021409b2ad121edb7b9d299b475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0701176",
    "kind": "arxiv",
    "version": 1
  }
}