Pith Number

pith:FOUDRUBU

pith:2025:FOUDRUBUYU4PJAHGZJMZSWQYZD

not attested not anchored not stored refs pending

X-ray reverberation modelling of the observed UV/optical power spectra of quasars

C. Panagiotou, E. Kammoun, I. E. Papadakis, M. Dovciak, M. Papoutsis

arxiv:2509.03159 v1 · 2025-09-03 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOUDRUBUYU4PJAHGZJMZSWQYZD}

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	2026-07-05T12:04:05.139773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ba838d034c538f480e6ca59995a18c8f0a8995f8476b21a702b190bb13620b0

Aliases

arxiv: 2509.03159 · arxiv_version: 2509.03159v1 · doi: 10.48550/arxiv.2509.03159 · pith_short_12: FOUDRUBUYU4P · pith_short_16: FOUDRUBUYU4PJAHG · pith_short_8: FOUDRUBU

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/FOUDRUBUYU4PJAHGZJMZSWQYZD \
  | 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: 2ba838d034c538f480e6ca59995a18c8f0a8995f8476b21a702b190bb13620b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec96e985259385d0960c7b2d827829e9f239d402474560f1775ee56110e9205d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-09-03T09:15:53Z",
    "title_canon_sha256": "52b22a61cacb6b25e5ffff923a9fed8316caf24aa552ce6068eeeb0bbbbbf4d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03159",
    "kind": "arxiv",
    "version": 1
  }
}