Pith Number

pith:QDHYC3MU

pith:1996:QDHYC3MUIQXSYDBCPRNSQINIPM

not attested not anchored not stored refs pending

Vertical Structure and Spectrum of Accretion Disks in Active Galactic Nuclei

(2) Institut fuer Astronomie und Astrophysik, Astronomie, Astrophysik, Germany, Germany ), H.Riffert (2), H.Ruder (2) ((1) Institut fuer Astronomie und Astrophysik, R.Staubert (1), T.Doerrer (1), Universitaet Tuebingen

arxiv:astro-ph/9601159 v2 · 1996-01-29 · astro-ph

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

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	2026-05-18T03:52:12.975791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80cf816d94442f2c0c227c5b2821a87b1e0cf9f9436305d53efea564cb193769

Aliases

arxiv: astro-ph/9601159 · arxiv_version: astro-ph/9601159v2 · doi: 10.48550/arxiv.astro-ph/9601159 · pith_short_12: QDHYC3MUIQXS · pith_short_16: QDHYC3MUIQXSYDBC · pith_short_8: QDHYC3MU

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/QDHYC3MUIQXSYDBCPRNSQINIPM \
  | 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: 80cf816d94442f2c0c227c5b2821a87b1e0cf9f9436305d53efea564cb193769

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92f000651d5913164128acfce58741a0bfd6033ec69d47e90414149f8496e36b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-01-29T11:10:27Z",
    "title_canon_sha256": "1a585307c82599a999c197a0892ff8cf8e3de12bfafdf21c899b6129d23eaeef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9601159",
    "kind": "arxiv",
    "version": 2
  }
}