Pith Number

pith:DDDNLGOZ

pith:1996:DDDNLGOZDFHWFBCVBEW5HCTOA2

not attested not anchored not stored refs pending

On the production of very high energy beamed gamma-rays in blazars

A. Mastichiadis (MPI Kernphysik, Heidelberg, Heidelberg), J.G. Kirk, Poland), University of Lodz, W. Bednarek (MPI Kernphysik

arxiv:astro-ph/9601131 v1 · 1996-01-24 · 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{DDDNLGOZDFHWFBCVBEW5HCTOA2}

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	2026-05-18T04:34:29.243179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c6d599d9194f628455092dd38a6e06b0d09c96cfd0840c627270ca1277d36c

Aliases

arxiv: astro-ph/9601131 · arxiv_version: astro-ph/9601131v1 · doi: 10.48550/arxiv.astro-ph/9601131 · pith_short_12: DDDNLGOZDFHW · pith_short_16: DDDNLGOZDFHWFBCV · pith_short_8: DDDNLGOZ

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/DDDNLGOZDFHWFBCVBEW5HCTOA2 \
  | 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: 18c6d599d9194f628455092dd38a6e06b0d09c96cfd0840c627270ca1277d36c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "224fd7c659f9b1b739285ac967aaa82deb48bd39cfb354e003f3978764b31e91",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-01-24T10:15:05Z",
    "title_canon_sha256": "cb11c676ba79e3765e6617b1f980c1ca9de220827f848285efdf4dc1a06fd43c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9601131",
    "kind": "arxiv",
    "version": 1
  }
}