Pith Number

pith:YNCVBYNW

pith:2009:YNCVBYNWCDRVHEDQHD64I7CZNN

not attested not anchored not stored refs pending

PEN experiment: a precise measurement of the pi+ -> e+ nu decay branching fraction

A.M. Rozhdestvensky, A. Palladino, A.S. Korenchenko, A. van der Schaaf, D. Mekterovic, D. Mzhavia, E. Frlez, E.P. Velicheva, I. Supek, L. P. Alonzi, M. Bychkov, M. Korolija, N.A. Kuchinsky, N.P. Kravchuk, N.V. Khomutov, PEN Collaboration: D. Pocanic, P. Robmann, P. Truoel, S.M. Korenchenko, S.N. Shkarovskiy, T. Kozlowski, U. Straumann, V. A. Baranov, V.A. Kalinnikov, V.P. Volnykh, W. Bertl, Yu.M. Bystritsky, Z. Tsamalaidze

arxiv:0909.4358 v1 · 2009-09-24 · 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{YNCVBYNWCDRVHEDQHD64I7CZNN}

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	2026-07-04T17:19:33.028885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c34550e1b610e353907038fdc47c596b4241b4f1ba0ec29837852a50d74a8e24

Aliases

arxiv: 0909.4358 · arxiv_version: 0909.4358v1 · doi: 10.48550/arxiv.0909.4358 · pith_short_12: YNCVBYNWCDRV · pith_short_16: YNCVBYNWCDRVHEDQ · pith_short_8: YNCVBYNW

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/YNCVBYNWCDRVHEDQHD64I7CZNN \
  | 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: c34550e1b610e353907038fdc47c596b4241b4f1ba0ec29837852a50d74a8e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "131de597e6cde0607cfbb9e1766927d8b018ba3026b83c564867279d935ad6d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2009-09-24T04:30:21Z",
    "title_canon_sha256": "2b87d431705fab4d2433ee715b5eea1580968fa73a92130dede198f2857ebd69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4358",
    "kind": "arxiv",
    "version": 1
  }
}