Pith Number

pith:4LRSRC7T

pith:2008:4LRSRC7TLHVBJFEUY6FM5DLGVO

not attested not anchored not stored refs pending

Cosmic ray driven dynamo in galactic disks. A parameter study

(2) Astronomical Observatory, 3), (3) Department of Physics, (4) Astronomical Observatory, Astronomy, Grzegorz Kowal (2, Harald Lesch (4) ((1) Toru\'n Centre for Astronomy, Jagiellonian University, Katarzyna Otmianowska-Mazur (2), McMaster University, Micha{\l} Hanasz (1), Munich University), Nicolaus Copernicus University

arxiv:0812.3906 v1 · 2008-12-19 · 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{4LRSRC7TLHVBJFEUY6FM5DLGVO}

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	2026-05-18T02:15:04.239441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2e3288bf359ea149494c78ace8d66ab8638c15abdffa8f869b288c091d95890

Aliases

arxiv: 0812.3906 · arxiv_version: 0812.3906v1 · doi: 10.48550/arxiv.0812.3906 · pith_short_12: 4LRSRC7TLHVB · pith_short_16: 4LRSRC7TLHVBJFEU · pith_short_8: 4LRSRC7T

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/4LRSRC7TLHVBJFEUY6FM5DLGVO \
  | 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: e2e3288bf359ea149494c78ace8d66ab8638c15abdffa8f869b288c091d95890

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f92fea0ea237c8ae8c9a56df39f1ba7f56c729dcf8bb4fd9a5dec9ea1077c917",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-19T22:07:08Z",
    "title_canon_sha256": "cd78d6df40cd2533ee452092b25bb79e55b9ed9d55f14d3b8bd1454050e4ea4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3906",
    "kind": "arxiv",
    "version": 1
  }
}