Pith Number

pith:E63STIJZ

pith:1998:E63STIJZPUIEJVEA3DTR4ZFCOA

not attested not anchored not stored refs pending

On the Hadronic Beam Model for Gamma-ray Production in Blazars

2, (2)CSI/CEOSR, 3), (3)St. John's College, (4)Department of Experimental Physics, George Mason University, J.H. Beall (1, Poland), University of Lodz, USA, W. Bednarek (4) ((1)Naval Research Laboratory

arxiv:astro-ph/9802001 v1 · 1998-01-31 · 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{E63STIJZPUIEJVEA3DTR4ZFCOA}

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	2026-07-04T16:06:07.879832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27b729a1397d1044d480d8e71e64a2703b96d9dc0944529f6a03d7872416092e

Aliases

arxiv: astro-ph/9802001 · arxiv_version: astro-ph/9802001v1 · doi: 10.48550/arxiv.astro-ph/9802001 · pith_short_12: E63STIJZPUIE · pith_short_16: E63STIJZPUIEJVEA · pith_short_8: E63STIJZ

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/E63STIJZPUIEJVEA3DTR4ZFCOA \
  | 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: 27b729a1397d1044d480d8e71e64a2703b96d9dc0944529f6a03d7872416092e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baa7dbeecc08c0747ede5abdfc9727021a6a1564189dd7ec2939e34e5b858f88",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-01-31T11:27:51Z",
    "title_canon_sha256": "d2cca89f3f83787a4cdac59ce6e1642d2ddff7f184a6b98984cc1e004d43fddb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9802001",
    "kind": "arxiv",
    "version": 1
  }
}