Pith Number

pith:UBDW2SWQ

pith:2004:UBDW2SWQT73XEZO6ZIY3EX6XYG

not attested not anchored not stored refs pending

Feeding the black hole with condensing accretion flows: radiatively efficient and radiatively inefficient cases

Garching), Sergei Nayakshin (MPA

arxiv:astro-ph/0402469 v1 · 2004-02-19 · 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{UBDW2SWQT73XEZO6ZIY3EX6XYG}

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	2026-07-04T14:13:21.285375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0476d4ad09ff77265deca31b25fd7c18106202405ebb00dbcb09f225784694b

Aliases

arxiv: astro-ph/0402469 · arxiv_version: astro-ph/0402469v1 · doi: 10.48550/arxiv.astro-ph/0402469 · pith_short_12: UBDW2SWQT73X · pith_short_16: UBDW2SWQT73XEZO6 · pith_short_8: UBDW2SWQ

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/UBDW2SWQT73XEZO6ZIY3EX6XYG \
  | 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: a0476d4ad09ff77265deca31b25fd7c18106202405ebb00dbcb09f225784694b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c3819dd15e0a756ed9065e4e6c223e2136b1e85c9edc22344100848d0b36680",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-19T21:01:09Z",
    "title_canon_sha256": "cb40b91d6201ff2878ddb64d4bb16dc1a9e7146ad4c0a4104b6cb5ffc772a9ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402469",
    "kind": "arxiv",
    "version": 1
  }
}