Pith Number

pith:VRZTD7BI

pith:2025:VRZTD7BIQWC4YEUH6HZOQB7MEC

not attested not anchored not stored refs pending

Variability of X-ray polarization of Cyg X-1

Adam Ingram, Alessandro Di Marco, Alexandra Veledina, Anagha P. Nitindala, Anastasiia Bocharova, Andrei V. Berdyugin, Andrew K. Hughes, Andrzej A. Zdziarski, David A. Green, Dmitry Blinov, Elise Egron, Fabio La Monaca, Fabio Muleri, Francesco Carotenuto, Francesco Tombesi, Guglielmo Mastroserio, Henric Krawczynski, Ioannis Liodakis, Jakub Podgorny, Ji\v{r}i Svoboda, Joe S. Bright, Juri Poutanen, Lauren Rhodes, Maimouna Brigitte, Maura Pilia, Michal Dov\v{c}iak, Nikos Mandarakas, Noemi Iacolina, Pierre-Olivier Petrucci, Sergei A. Trushkin, Sergey S. Tsygankov, Sofia V. Forsblom, Vadim Kravtsov, Vladislav Loktev

arxiv:2505.03942 v2 · 2025-05-06 · 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{VRZTD7BIQWC4YEUH6HZOQB7MEC}

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	2026-07-05T12:10:57.661728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac7331fc288585cc1287f1f2e807ec20bfb59ffb3f62fee48c374e58ac5d84fe

Aliases

arxiv: 2505.03942 · arxiv_version: 2505.03942v2 · doi: 10.48550/arxiv.2505.03942 · pith_short_12: VRZTD7BIQWC4 · pith_short_16: VRZTD7BIQWC4YEUH · pith_short_8: VRZTD7BI

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/VRZTD7BIQWC4YEUH6HZOQB7MEC \
  | 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: ac7331fc288585cc1287f1f2e807ec20bfb59ffb3f62fee48c374e58ac5d84fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1efa2fec4a33afe5d658cc70c4ecedf8f869e94d1ab7f3d34fb70cccc15dcf3f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-06T19:38:26Z",
    "title_canon_sha256": "7ac253a6502f5db390db3c9d889f12bc3184f9bf1be892cf277558ce9f27dfbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.03942",
    "kind": "arxiv",
    "version": 2
  }
}