Pith Number

pith:AH3KWKD3

pith:2005:AH3KWKD3EUMUBCVRZMW5PZNMDY

not attested not anchored not stored refs pending

Accretion and nuclear activity of quiescent supermassive black holes. II: optical study and interpretation

Alessandro Baldi, Alister W. Graham, Aneta Siemiginowska, Giuseppina Fabbiano, Helmut Jerjen, Martin Elvis, Roberto Soria, Silvia Pellegrini

arxiv:astro-ph/0511341 v1 · 2005-11-11 · 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{AH3KWKD3EUMUBCVRZMW5PZNMDY}

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	2026-07-04T17:15:25.666591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01f6ab287b2519408ab1cb2dd7e5ac1e0d87b501243e2a66af566a8494ae6dab

Aliases

arxiv: astro-ph/0511341 · arxiv_version: astro-ph/0511341v1 · doi: 10.48550/arxiv.astro-ph/0511341 · pith_short_12: AH3KWKD3EUMU · pith_short_16: AH3KWKD3EUMUBCVR · pith_short_8: AH3KWKD3

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/AH3KWKD3EUMUBCVRZMW5PZNMDY \
  | 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: 01f6ab287b2519408ab1cb2dd7e5ac1e0d87b501243e2a66af566a8494ae6dab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7739414b97ea9d4245142ea07f3c6e1b19cd209c253c41f8539a18840f86f222",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-11-11T03:45:21Z",
    "title_canon_sha256": "5517f1c89cb8a104952bb19dd0af7e5a00da08ec9178190a4812d5654592ebed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0511341",
    "kind": "arxiv",
    "version": 1
  }
}