Pith Number

pith:W4QBGETI

pith:1995:W4QBGETI5VHEDGS7YAMPJKLWLZ

not attested not anchored not stored refs pending

The Origin of Galactic Cosmic Rays

Peter L. Biermann, T.K. Gaisser & Todor Stanev

arxiv:astro-ph/9501001 v1 · 1995-01-02 · 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{W4QBGETI5VHEDGS7YAMPJKLWLZ}

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	2026-05-18T04:22:19.554455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b720131268ed4e419a5fc018f4a9765e5032ce1ed63995ada66f94ef072ee70f

Aliases

arxiv: astro-ph/9501001 · arxiv_version: astro-ph/9501001v1 · doi: 10.48550/arxiv.astro-ph/9501001 · pith_short_12: W4QBGETI5VHE · pith_short_16: W4QBGETI5VHEDGS7 · pith_short_8: W4QBGETI

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/W4QBGETI5VHEDGS7YAMPJKLWLZ \
  | 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: b720131268ed4e419a5fc018f4a9765e5032ce1ed63995ada66f94ef072ee70f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04e25ecf8f11668d65774ed7cd9cf99a734ad21b69a5e861fc47f3cefbe9ba8d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-01-02T12:53:02Z",
    "title_canon_sha256": "633625da04ea5f246e27b519787f274f30d191cf4af495c450511bdf96d88ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9501001",
    "kind": "arxiv",
    "version": 1
  }
}