Pith Number

pith:5XDBKAZ5

pith:2007:5XDBKAZ5YR5OLM4QJ772DU6YJR

not attested not anchored not stored refs pending

Measurement of the Fermi Constant by FAST

A. Barczyk, C. Casella, C. Mana, C. Petitjean (PSI) (for the FAST Collaboration), C. Willmott (CIEMAT), E. Sanchez, G. Martinez, J. Berdugo, J. Casaus, J. Kirkby, J. Marin, K. Deiters, L. Malgeri (CERN), M. Pohl (University of Geneva), P. Dick

arxiv:0707.3904 v2 · 2007-07-26 · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XDBKAZ5YR5OLM4QJ772DU6YJR}

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	2026-07-04T23:52:49.002916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edc615033dc47ae5b3904fffa1d3d84c7f216f32158edda2d0302647aa097edb

Aliases

arxiv: 0707.3904 · arxiv_version: 0707.3904v2 · doi: 10.48550/arxiv.0707.3904 · pith_short_12: 5XDBKAZ5YR5O · pith_short_16: 5XDBKAZ5YR5OLM4Q · pith_short_8: 5XDBKAZ5

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/5XDBKAZ5YR5OLM4QJ772DU6YJR \
  | 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: edc615033dc47ae5b3904fffa1d3d84c7f216f32158edda2d0302647aa097edb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70a113442d7b0a4bad741de84e4384858551403b0cc23d5453e955322fefd18f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2007-07-26T11:49:33Z",
    "title_canon_sha256": "f1a325c91b40fec27ec19c1154ac06cf6b1068360b6d94b947c2f643411efaa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.3904",
    "kind": "arxiv",
    "version": 2
  }
}