Pith Number

pith:Y7IJ2FLF

pith:1996:Y7IJ2FLFH4HK7MLLIX2ELLNJRI

not attested not anchored not stored refs pending

The average X-ray/gamma-ray spectrum of radio-quiet Seyfert 1s

A. A. Zdziarski, D. Gondek, D. Smith, E. Gruber, I. M. George, K. McNaron-Brown, P. Magdziarz, W. N. Johnson

arxiv:astro-ph/9607016 v1 · 1996-07-03 · 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{Y7IJ2FLFH4HK7MLLIX2ELLNJRI}

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	2026-05-18T01:40:19.786482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7d09d15653f0eafb16b45f445ada98a2f18791fbb2e8f9966ec577d5f14a575

Aliases

arxiv: astro-ph/9607016 · arxiv_version: astro-ph/9607016v1 · doi: 10.48550/arxiv.astro-ph/9607016 · pith_short_12: Y7IJ2FLFH4HK · pith_short_16: Y7IJ2FLFH4HK7MLL · pith_short_8: Y7IJ2FLF

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/Y7IJ2FLFH4HK7MLLIX2ELLNJRI \
  | 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: c7d09d15653f0eafb16b45f445ada98a2f18791fbb2e8f9966ec577d5f14a575

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0973c437600366d7c855d0efbef0e16561e035f393a43176ec580883a39776df",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-07-03T01:45:04Z",
    "title_canon_sha256": "4edc50345041ea8d3107e1a3c757841e770a845b387c8bac3d273024cdff19c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9607016",
    "kind": "arxiv",
    "version": 1
  }
}