Pith Number

pith:GPR2VN2I

pith:2016:GPR2VN2IYWAZPZZHV63CGKCZEW

not attested not anchored not stored refs pending

Gamma-Gamma Absorption in the Broad Line Region Radiation Fields of Gamma-Ray Blazars

Markus Boettcher, Paul Els (North-West University, Potchefstroom, South Africa)

arxiv:1603.02785 v1 · 2016-03-09 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPR2VN2IYWAZPZZHV63CGKCZEW}

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	2026-05-18T01:16:13.521334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33e3aab748c58197e727afb623285925a9742023846d8b29f29ed51788b500cd

Aliases

arxiv: 1603.02785 · arxiv_version: 1603.02785v1 · doi: 10.48550/arxiv.1603.02785 · pith_short_12: GPR2VN2IYWAZ · pith_short_16: GPR2VN2IYWAZPZZH · pith_short_8: GPR2VN2I

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/GPR2VN2IYWAZPZZHV63CGKCZEW \
  | 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: 33e3aab748c58197e727afb623285925a9742023846d8b29f29ed51788b500cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "267e8899f317bc8ea1998ba130c3f6831b04c82263ff93fe44cbcd21761396cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-03-09T05:31:09Z",
    "title_canon_sha256": "9f2f46fbf9afe7f6b5becdf2301c8d7d8eda59f09cf7e0605cbce2a753034b60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02785",
    "kind": "arxiv",
    "version": 1
  }
}