Pith Number

pith:ZQP76WNX

pith:2003:ZQP76WNXIZYTHLXVEFQDKVKSHH

not attested not anchored not stored refs pending

The Nuclear Reddening Curve for Active Galactic Nuclei and the Shape of the Infra-Red to X-Ray Spectral Energy Distribution

C. Martin Gaskell, David H. Whysong, Rene W. Goosmann, Robert R. J. Antonucci

arxiv:astro-ph/0309595 v3 · 2003-09-22 · 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{ZQP76WNXIZYTHLXVEFQDKVKSHH}

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.

Cited by

1 paper in Pith

Radiation-pressure instability is an artifact of constant-$\alpha$ closure. Implications for AGN disk tensions

Receipt and verification

First computed	2026-07-04T16:51:42.812606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc1fff59b7467133aef5216035555239d4b8aae3f7eb6c7da4d016d16b6ced3f

Aliases

arxiv: astro-ph/0309595 · arxiv_version: astro-ph/0309595v3 · doi: 10.48550/arxiv.astro-ph/0309595 · pith_short_12: ZQP76WNXIZYT · pith_short_16: ZQP76WNXIZYTHLXV · pith_short_8: ZQP76WNX

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/ZQP76WNXIZYTHLXVEFQDKVKSHH \
  | 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: cc1fff59b7467133aef5216035555239d4b8aae3f7eb6c7da4d016d16b6ced3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d0e1edc714993b43470afcf0e0f44bc213225d9488e4d7cc4eaa30a0b8b59a0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-22T19:25:29Z",
    "title_canon_sha256": "8609ccbfb1b265aef0dabfbb459535d30817be1cadbb2f6109d1a9daadf7ea9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309595",
    "kind": "arxiv",
    "version": 3
  }
}