Pith Number

pith:BF7ZGYCK

pith:2011:BF7ZGYCK2KEENIAFSGV4WXDP4A

not attested not anchored not stored refs pending

Improved Measurement of the Muon Lifetime and Determination of the Fermi Constant

P. T. Debevec

arxiv:1108.4033 v2 · 2011-08-19 · 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{BF7ZGYCK2KEENIAFSGV4WXDP4A}

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	2026-05-18T04:14:56.320296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

097f93604ad28846a00591abcb5c6fe028f2ac34eaaeb7b2028e08893ebc66aa

Aliases

arxiv: 1108.4033 · arxiv_version: 1108.4033v2 · doi: 10.48550/arxiv.1108.4033 · pith_short_12: BF7ZGYCK2KEE · pith_short_16: BF7ZGYCK2KEENIAF · pith_short_8: BF7ZGYCK

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/BF7ZGYCK2KEENIAFSGV4WXDP4A \
  | 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: 097f93604ad28846a00591abcb5c6fe028f2ac34eaaeb7b2028e08893ebc66aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9518de67b4ed4c2a768d62119301048ec59d4ae0333b68f68952bd802728b870",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2011-08-19T19:58:23Z",
    "title_canon_sha256": "b51da04b3a0090f1fb0c8872dc661aeb4a3432945013397dfd0c0b3529d2a210"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4033",
    "kind": "arxiv",
    "version": 2
  }
}