Pith Number

pith:FC7X2Z3H

pith:2006:FC7X2Z3HVCJVYVW2KFPJQPEDFT

not attested not anchored not stored refs pending

Results from the ULTRA experiment in the framework of the EUSO project

A. Cappa, A. Mangano, B. Biondo, B. Tom\`e, C. Vigorito, D. Lebrun (LPSC), F. Russo, G. Agnetta, G. D'Ali Staiti, G. Gugliotta, G. la Rosa, J. Chauvin (LPSC), J.C. Silva, L. Fava, L. Melo, M.C. Espirito-Santo, M.C. Maccarone, M. Dattoli, M. Pimenta, O. Catalano, O. Saavedra, P. Assis, P. Brogueira, P. Galeotti, P. Scarsi, P. Stassi (LPSC), P. Vallania, S. Giarrusso, S. Moreggia (LPSC), the EUSO Collaboration

arxiv:astro-ph/0602151 v1 · 2006-02-07 · 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{FC7X2Z3HVCJVYVW2KFPJQPEDFT}

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	2026-05-18T01:09:10.698359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28bf7d6767a8935c56da515e983c832ccb30defc7c68fe8efc4e4827c2104869

Aliases

arxiv: astro-ph/0602151 · arxiv_version: astro-ph/0602151v1 · doi: 10.48550/arxiv.astro-ph/0602151 · pith_short_12: FC7X2Z3HVCJV · pith_short_16: FC7X2Z3HVCJVYVW2 · pith_short_8: FC7X2Z3H

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/FC7X2Z3HVCJVYVW2KFPJQPEDFT \
  | 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: 28bf7d6767a8935c56da515e983c832ccb30defc7c68fe8efc4e4827c2104869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ab4b1a1d757a96f7ae51e2ba88adcf3ebe6d1e5d0c5f65c0d3224c09580a74b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-07T08:21:27Z",
    "title_canon_sha256": "9d390a617f4a47945f4ca085dcd335910613d2c0236211e0e3ce12c672fca29d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602151",
    "kind": "arxiv",
    "version": 1
  }
}