Pith Number

pith:B7DRFCED

pith:2002:B7DRFCEDCYFUW5WR2WFJGRQQ32

not attested not anchored not stored refs pending

UHE and EHE neutrino induced taus inside the Earth

S. Bottai, S. Giurgola (University of Florence)

arxiv:astro-ph/0205325 v1 · 2002-05-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7DRFCEDCYFUW5WR2WFJGRQQ32}

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	2026-07-04T16:30:02.362113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fc7128883160b4b76d1d58a934610deb8049cdcf9aa5fe51afd3531917310f4

Aliases

arxiv: astro-ph/0205325 · arxiv_version: astro-ph/0205325v1 · doi: 10.48550/arxiv.astro-ph/0205325 · pith_short_12: B7DRFCEDCYFU · pith_short_16: B7DRFCEDCYFUW5WR · pith_short_8: B7DRFCED

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/B7DRFCEDCYFUW5WR2WFJGRQQ32 \
  | 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: 0fc7128883160b4b76d1d58a934610deb8049cdcf9aa5fe51afd3531917310f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aa0873d95ff8aa36b91fab166520179fd85d623052f842c530605546ad0c282",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-20T09:13:04Z",
    "title_canon_sha256": "56ef1c792b4f07ac506363c43cef28f9d3a969bb73ef4d109159c0a2877e4a3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205325",
    "kind": "arxiv",
    "version": 1
  }
}