Pith Number

pith:KRXQEGIC

pith:2005:KRXQEGICLNB5B2Z7WKGCVHHBUQ

not attested not anchored not stored refs pending

Equatorial scattering and the structure of the broad-line region in Seyfert nuclei: evidence for a rotating disc

A. Robinson, D.J. Axon, Elizabeth A. Corbett, J.E. Smith, S. Young

arxiv:astro-ph/0501640 v1 · 2005-01-28 · 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{KRXQEGICLNB5B2Z7WKGCVHHBUQ}

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	2026-05-18T02:40:25.856530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

546f0219025b43d0eb3fb28c2a9ce1a40015378a77ebf3bdb7314614d3deef8a

Aliases

arxiv: astro-ph/0501640 · arxiv_version: astro-ph/0501640v1 · doi: 10.48550/arxiv.astro-ph/0501640 · pith_short_12: KRXQEGICLNB5 · pith_short_16: KRXQEGICLNB5B2Z7 · pith_short_8: KRXQEGIC

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/KRXQEGICLNB5B2Z7WKGCVHHBUQ \
  | 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: 546f0219025b43d0eb3fb28c2a9ce1a40015378a77ebf3bdb7314614d3deef8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68b68ac922bd246ee12d09998aa8ced2d20b7e2297acca3a56bdf5acf95aae36",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-28T19:40:53Z",
    "title_canon_sha256": "962222c0906ed309dfe9a4b5a448db57b170d839bd630656668ef2d9f628cb73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501640",
    "kind": "arxiv",
    "version": 1
  }
}