Pith Number

pith:KEK6WM5F

pith:2003:KEK6WM5FUGA5YB3YMSJC66J4AJ

not attested not anchored not stored refs pending

Echo Tomography of Black Hole Accretion Flows

Keith Horne

arxiv:astro-ph/0301250 v1 · 2003-01-14 · 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{KEK6WM5FUGA5YB3YMSJC66J4AJ}

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	2026-05-18T01:40:39.596400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5115eb33a5a181dc077864922f793c0270efb951852ca7c7a168eb04ceec176d

Aliases

arxiv: astro-ph/0301250 · arxiv_version: astro-ph/0301250v1 · doi: 10.48550/arxiv.astro-ph/0301250 · pith_short_12: KEK6WM5FUGA5 · pith_short_16: KEK6WM5FUGA5YB3Y · pith_short_8: KEK6WM5F

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/KEK6WM5FUGA5YB3YMSJC66J4AJ \
  | 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: 5115eb33a5a181dc077864922f793c0270efb951852ca7c7a168eb04ceec176d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "972a8182b81315d825286ae4ece276b3c352c19e117ba1eb34472f37462d3e4f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-14T12:17:20Z",
    "title_canon_sha256": "d4c4992ac5e9897c01a787c3c5ae711a6c62e9b0364bff8edbb3815546b66735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301250",
    "kind": "arxiv",
    "version": 1
  }
}