Pith Number

pith:3II6OBIR

pith:2004:3II6OBIRVC3YDE4OIP6XFLRGHM

not attested not anchored not stored refs pending

Theory of disk accretion onto supermassive black holes

Philip J. Armitage

arxiv:astro-ph/0405170 v1 · 2004-05-10 · 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{3II6OBIRVC3YDE4OIP6XFLRGHM}

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	2026-05-18T01:21:56.848358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da11e70511a8b781938e43fd72ae263b11298ef4c3389ff065c75a1d85943299

Aliases

arxiv: astro-ph/0405170 · arxiv_version: astro-ph/0405170v1 · doi: 10.48550/arxiv.astro-ph/0405170 · pith_short_12: 3II6OBIRVC3Y · pith_short_16: 3II6OBIRVC3YDE4O · pith_short_8: 3II6OBIR

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/3II6OBIRVC3YDE4OIP6XFLRGHM \
  | 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: da11e70511a8b781938e43fd72ae263b11298ef4c3389ff065c75a1d85943299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a119beaca65eabb75049625ac2f1f5e4f6a1f778b6122195f6ddff9b8eb42f3c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-10T00:31:46Z",
    "title_canon_sha256": "084a260358e0a272244ea6af6dcc826ea6c69ece5eb1daef0787389cfff8d308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405170",
    "kind": "arxiv",
    "version": 1
  }
}