Pith Number

pith:QKH2QWI3

pith:2003:QKH2QWI35WGWAWD2EP4U2H7GH7

not attested not anchored not stored refs pending

Iron K alpha line profiles and the inner boundary condition of accretion flows

A. C. Fabian (IoA, A. Merloni (MPA, Cambridge), Garching)

arxiv:astro-ph/0303143 v1 · 2003-03-06 · 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{QKH2QWI35WGWAWD2EP4U2H7GH7}

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	2026-07-04T15:49:48.745120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828fa8591bed8d60587a23f94d1fe63fe302872a2b2e2129a286871f87fc3b89

Aliases

arxiv: astro-ph/0303143 · arxiv_version: astro-ph/0303143v1 · doi: 10.48550/arxiv.astro-ph/0303143 · pith_short_12: QKH2QWI35WGW · pith_short_16: QKH2QWI35WGWAWD2 · pith_short_8: QKH2QWI3

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/QKH2QWI35WGWAWD2EP4U2H7GH7 \
  | 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: 828fa8591bed8d60587a23f94d1fe63fe302872a2b2e2129a286871f87fc3b89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb7989dbf0781195535bb14c4677cd2d4296a67530f6c1acf9092a495e3406b0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-06T18:04:27Z",
    "title_canon_sha256": "6232307ccba5a54682438108c964b21a1b5cbf231c281a788e07b4b36af4316e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303143",
    "kind": "arxiv",
    "version": 1
  }
}