Pith Number

pith:4WZ3BF6S

pith:1994:4WZ3BF6SPSO2ROY2QEOKIJSUON

not attested not anchored not stored refs pending

The Contribution of the Obscuring Torus to the X--Ray Spectrum of Seyfert Galaxies: A Test for the Unification Model

Francesco Haardt, Gabriele Ghisellini, Giorgio Matt

arxiv:astro-ph/9401044 v1 · 1994-01-24 · astro-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WZ3BF6SPSO2ROY2QEOKIJSUON}

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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

Population synthesis of active galactic nuclei based on the radiation-regulated unification model

Receipt and verification

First computed	2026-05-18T01:40:26.324351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5b3b097d27c9da8bb1a811ca426547369dd9af09a9f094416b8ec9fd696d0af

Aliases

arxiv: astro-ph/9401044 · arxiv_version: astro-ph/9401044v1 · doi: 10.48550/arxiv.astro-ph/9401044 · pith_short_12: 4WZ3BF6SPSO2 · pith_short_16: 4WZ3BF6SPSO2ROY2 · pith_short_8: 4WZ3BF6S

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/4WZ3BF6SPSO2ROY2QEOKIJSUON \
  | 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: e5b3b097d27c9da8bb1a811ca426547369dd9af09a9f094416b8ec9fd696d0af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18df5e3ec8e745d25ddcb0c97e06e72d407bee2f61e226afaabc32003e3e9f8d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-01-24T08:16:10Z",
    "title_canon_sha256": "a8b3f3e21fb4367b9a38977c5d08d25292c2275fc054fde389841f4d216db5a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9401044",
    "kind": "arxiv",
    "version": 1
  }
}