Pith Number

pith:Q7B44PUI

pith:2008:Q7B44PUI5ANRLYEE5IHLCECPVI

not attested not anchored not stored refs pending

Atmospheric Consequences of Cosmic Ray Variability in the Extragalactic Shock Model II: Revised ionization levels and their consequences

A.L. Melott (University of Kansas), B.C. Thomas, D.Atri, G.W. Wilson, M.J. Murray, M.V. Medvedev

arxiv:0808.0915 v3 · 2008-08-06 · astro-ph · hep-ph · physics.ao-ph · physics.geo-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7B44PUI5ANRLYEE5IHLCECPVI}

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	2026-05-18T02:35:15.367496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87c3ce3e88e81b15e084ea0eb1104faa202656fdaa489a5a8f170db1d5b77eec

Aliases

arxiv: 0808.0915 · arxiv_version: 0808.0915v3 · doi: 10.48550/arxiv.0808.0915 · pith_short_12: Q7B44PUI5ANR · pith_short_16: Q7B44PUI5ANRLYEE · pith_short_8: Q7B44PUI

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/Q7B44PUI5ANRLYEE5IHLCECPVI \
  | 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: 87c3ce3e88e81b15e084ea0eb1104faa202656fdaa489a5a8f170db1d5b77eec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6a55fa90729a2f64ac1cc1e9ad6ff8949892ac685cf958c48a4edbee3c7859c",
    "cross_cats_sorted": [
      "hep-ph",
      "physics.ao-ph",
      "physics.geo-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-06T20:02:14Z",
    "title_canon_sha256": "ccbb5b08ea583e2c4251422466f8202c3ba254d8d1befc09f98fcf48e670fe36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.0915",
    "kind": "arxiv",
    "version": 3
  }
}