Pith Number

pith:5SL7NH4E

pith:2006:5SL7NH4EFIADVZ5G3OZL5ALJFO

not attested not anchored not stored refs pending

Terrestrial Consequences of Spectral and Temporal Variability in Ionizing Photon Events

Adrian L. Melott, Brian C. Thomas (Washburn University), Larissa M. Ejzak, Mikhail V. Medvedev, (University of Kansas)

arxiv:astro-ph/0604556 v3 · 2006-04-26 · astro-ph · physics.ao-ph · physics.bio-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{5SL7NH4EFIADVZ5G3OZL5ALJFO}

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	2026-05-18T04:36:21.423697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec97f69f842a003ae7a6dbb2be81692bb474a5a3ca9c7b97166cb2ebf1e50200

Aliases

arxiv: astro-ph/0604556 · arxiv_version: astro-ph/0604556v3 · doi: 10.48550/arxiv.astro-ph/0604556 · pith_short_12: 5SL7NH4EFIAD · pith_short_16: 5SL7NH4EFIADVZ5G · pith_short_8: 5SL7NH4E

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/5SL7NH4EFIADVZ5G3OZL5ALJFO \
  | 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: ec97f69f842a003ae7a6dbb2be81692bb474a5a3ca9c7b97166cb2ebf1e50200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87d662a291620b6b7db27bc865d542ab814219cc35a79635f798eb57f608ec20",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.bio-ph",
      "physics.geo-ph",
      "q-bio.PE"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-26T23:04:45Z",
    "title_canon_sha256": "9875b3971048c10343004a1dc5dac93eab38a24b60c9000c71ae0730cec3cd91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604556",
    "kind": "arxiv",
    "version": 3
  }
}