Pith Number

pith:QXPUWKEZ

pith:2009:QXPUWKEZNOLCJERTMBYLQEF27M

not attested not anchored not stored refs pending

A comparative analysis of standard accretion disks spectra: an application to Ultraluminous X-ray Sources

A. Lorenzin, L. Zampieri

arxiv:0902.0466 v1 · 2009-02-03 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QXPUWKEZNOLCJERTMBYLQEF27M}

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	2026-05-18T02:14:54.501932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85df4b28996b962492336070b810bafb0438d6dd44f120a8c7621e59aca391a2

Aliases

arxiv: 0902.0466 · arxiv_version: 0902.0466v1 · doi: 10.48550/arxiv.0902.0466 · pith_short_12: QXPUWKEZNOLC · pith_short_16: QXPUWKEZNOLCJERT · pith_short_8: QXPUWKEZ

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/QXPUWKEZNOLCJERTMBYLQEF27M \
  | 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: 85df4b28996b962492336070b810bafb0438d6dd44f120a8c7621e59aca391a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "929dcc65192ca48ebe840ff937d681428fa4287093c31ce578750571122290e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-02-03T10:33:59Z",
    "title_canon_sha256": "5aa0f582554ffd660b0c78eb47c10e7d6a42948dee5e40c8ea207bfabd392975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0466",
    "kind": "arxiv",
    "version": 1
  }
}