Pith Number

pith:6OT4EZ4Y

pith:2003:6OT4EZ4Y2ZPMNKDVGPPL24OM34

not attested not anchored not stored refs pending

Photon Emission in a Cascade from Relativistic Protons Initiated by Residual Thermal Photons in Gamma-Ray Bursts

Fumio Takahara, Katsuaki Asano

arxiv:astro-ph/0303195 v1 · 2003-03-10 · 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{6OT4EZ4Y2ZPMNKDVGPPL24OM34}

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	2026-05-18T01:40:39.226246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3a7c26798d65ec6a87533debd71ccdf3f444bdefac7c607e7536d569b35849b

Aliases

arxiv: astro-ph/0303195 · arxiv_version: astro-ph/0303195v1 · doi: 10.48550/arxiv.astro-ph/0303195 · pith_short_12: 6OT4EZ4Y2ZPM · pith_short_16: 6OT4EZ4Y2ZPMNKDV · pith_short_8: 6OT4EZ4Y

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/6OT4EZ4Y2ZPMNKDVGPPL24OM34 \
  | 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: f3a7c26798d65ec6a87533debd71ccdf3f444bdefac7c607e7536d569b35849b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb724b7a0c4a78bb9d56391b89dfc53c8fa40cc15966638fc24aa21613efe3c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-10T12:50:19Z",
    "title_canon_sha256": "521b13326793cc72a3cd23ecf43abef8b43e73e0a5c793f9914ef8a4e8886c8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303195",
    "kind": "arxiv",
    "version": 1
  }
}