Pith Number

pith:HQ2FVBFI

pith:2002:HQ2FVBFILX5VA2DTWPOXZW6ZRK

not attested not anchored not stored refs pending

Physics Fundamentals of Luminous Accretion Disks Around Black Holes

O. M. Blaes

arxiv:astro-ph/0211368 v1 · 2002-11-15 · 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{HQ2FVBFILX5VA2DTWPOXZW6ZRK}

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	2026-07-04T14:12:26.988402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c345a84a85dfb506873b3dd7cdbd98aae48527939be9d66db3c3137120d6eb3

Aliases

arxiv: astro-ph/0211368 · arxiv_version: astro-ph/0211368v1 · doi: 10.48550/arxiv.astro-ph/0211368 · pith_short_12: HQ2FVBFILX5V · pith_short_16: HQ2FVBFILX5VA2DT · pith_short_8: HQ2FVBFI

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/HQ2FVBFILX5VA2DTWPOXZW6ZRK \
  | 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: 3c345a84a85dfb506873b3dd7cdbd98aae48527939be9d66db3c3137120d6eb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c52deaf67b6df83f9709d1ef9ccc477a76f4fd3fd5172aa6c61b50d5db10812e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-15T17:52:40Z",
    "title_canon_sha256": "c6e5c1cdec9086b77663b203ca1f5d8e6acf5759c7c9b022021f4b02a1a5487d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211368",
    "kind": "arxiv",
    "version": 1
  }
}