pith. sign in
Pith Number

pith:W4F4JNC2

pith:2011:W4F4JNC2RNQLUEAMSNH6C3BNEW
not attested not anchored not stored refs pending

Do we observe fluctuation of cross section in cosmic rays ?

Grzegorz Wilk, Zbigniew Wlodarczyk

arxiv:1108.4275 v1 · 2011-08-22 · astro-ph.HE · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{W4F4JNC2RNQLUEAMSNH6C3BNEW}

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 2026-05-18T02:00:49.900254Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b70bc4b45a8b60ba100c934fe16c2d25b41d3f7296b81696dcd709ba1d5dd83f

Aliases

arxiv: 1108.4275 · arxiv_version: 1108.4275v1 · doi: 10.48550/arxiv.1108.4275 · pith_short_12: W4F4JNC2RNQL · pith_short_16: W4F4JNC2RNQLUEAM · pith_short_8: W4F4JNC2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/W4F4JNC2RNQLUEAMSNH6C3BNEW \
  | 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: b70bc4b45a8b60ba100c934fe16c2d25b41d3f7296b81696dcd709ba1d5dd83f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1cc11e9d4539830aa41a875f46ddc5b24ac5540510a89b9d97dd2618c86a4c4a",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-08-22T10:44:26Z",
    "title_canon_sha256": "bb6a73112e9d4d54efd2aa86f9029b79d98d8ea8846630d2b38cc2da57166a5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4275",
    "kind": "arxiv",
    "version": 1
  }
}