pith. sign in
Pith Number

pith:4LYXL5EY

pith:2001:4LYXL5EYYRSJRVBWZS2IOHJKV4
not attested not anchored not stored refs pending

Tau Neutrinos in the Auger Observatory : A New Window to UHECR Sources

A. Letessier-Selvon, C. Lachaud, O. Deligny, P. Billoir, X. Bertou

arxiv:astro-ph/0104452 v4 · 2001-04-27 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4LYXL5EYYRSJRVBWZS2IOHJKV4}

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 2026-05-18T02:40:36.385293Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e2f175f498c46498d436ccb4871d2aaf1054d1dbffd2ed4dba2f3afe58163f52

Aliases

arxiv: astro-ph/0104452 · arxiv_version: astro-ph/0104452v4 · doi: 10.48550/arxiv.astro-ph/0104452 · pith_short_12: 4LYXL5EYYRSJ · pith_short_16: 4LYXL5EYYRSJRVBW · pith_short_8: 4LYXL5EY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4LYXL5EYYRSJRVBWZS2IOHJKV4 \
  | 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: e2f175f498c46498d436ccb4871d2aaf1054d1dbffd2ed4dba2f3afe58163f52
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4d0e605fad1d110b2735d4e1576555c33e8d1eb022a2d365f8505ea1a9c860b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-27T16:43:08Z",
    "title_canon_sha256": "ef1f7e362685eea7689e775e099773066e24bee12dc8b19af46cf7f96818e577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104452",
    "kind": "arxiv",
    "version": 4
  }
}