Pith Number

pith:6HPXOPPO

pith:2008:6HPXOPPOUQTKPJ6JWXAN4LA4U3

not attested not anchored not stored refs pending

Implications of the cosmic ray spectrum for the mass composition at the highest energies

A. V. Olinto, D. Allard, E. Parizot, G. Decerprit, N.G Busca

arxiv:0805.4779 v1 · 2008-05-30 · 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{6HPXOPPOUQTKPJ6JWXAN4LA4U3}

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	2026-07-04T17:20:26.748896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1df773deea426a7a7c9b5c0de2c1ca6e2367c18d951721a38db36f56725ad8a

Aliases

arxiv: 0805.4779 · arxiv_version: 0805.4779v1 · doi: 10.48550/arxiv.0805.4779 · pith_short_12: 6HPXOPPOUQTK · pith_short_16: 6HPXOPPOUQTKPJ6J · pith_short_8: 6HPXOPPO

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/6HPXOPPOUQTKPJ6JWXAN4LA4U3 \
  | 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: f1df773deea426a7a7c9b5c0de2c1ca6e2367c18d951721a38db36f56725ad8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cf153793967bc49819ccfca5817c199c32012fec74cb45a5139a8cbbeb08540",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-30T14:47:41Z",
    "title_canon_sha256": "89918d67b759142a4a80d3b5933bdae18811686668869810aba01f6eb48612fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.4779",
    "kind": "arxiv",
    "version": 1
  }
}