Pith Number

pith:VYWEBY6P

pith:2023:VYWEBY6PJ7VZV65EAPV6HRFHIG

not attested not anchored not stored refs pending

Spectral and polarization properties of reflected X-ray emission from black-hole accretion discs for a distant observer: the lamp-post model

Agata R\'o\.za\'nska, Fr\'ed\'eric Marin, Giorgio Matt, Jakub Podgorn\'y, Michal Dov\v{c}iak, Ren\'e Goosmann, Vladim\'ir Karas

arxiv:2307.08819 v2 · 2023-07-17 · 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{VYWEBY6PJ7VZV65EAPV6HRFHIG}

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	2026-07-05T07:10:26.514025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae2c40e3cf4feb9afba403ebe3c4a741b7f0bf517d6f2956c317b87c5361dc88

Aliases

arxiv: 2307.08819 · arxiv_version: 2307.08819v2 · doi: 10.48550/arxiv.2307.08819 · pith_short_12: VYWEBY6PJ7VZ · pith_short_16: VYWEBY6PJ7VZV65E · pith_short_8: VYWEBY6P

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/VYWEBY6PJ7VZV65EAPV6HRFHIG \
  | 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: ae2c40e3cf4feb9afba403ebe3c4a741b7f0bf517d6f2956c317b87c5361dc88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "108720eaf4998e3a960578964b29ebbd3702a5ba3af2470e185739e406c8fe3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-07-17T20:23:51Z",
    "title_canon_sha256": "dad6b904ce44f7814412549a9ec5f79f58eee4c107701e577ce66872dd389c22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.08819",
    "kind": "arxiv",
    "version": 2
  }
}