Pith Number

pith:RHVIASAX

pith:2021:RHVIASAX6T7XLJNEFT3P7VNJFL

not attested not anchored not stored refs pending

The SRG X-ray orbital observatory, its telescopes and first scientific results

A. Bogomolov, A. Lutovinov, A. Merloni, A. Poghodin, A. Shirshakov, A. Tkachenko, D. Coutinho, E. Churazov, E. Mikhailov, G. Hasinger, H. Brunner, H. Scheuerle, I. Khabibullin, I. Lapshov, I. Lomakin, J. Eder, J. Robrade, K. Borisov, K. Nandra, M. Buntov, M. Freyberg, M. Gilfanov, M. Pavlinsky, N. Eismont, P. Gureyev, P. Medvedev, P. Mzhelsky, P. Predehl, R. Burenin, R. Krivonos, R. Sunyaev, S. Komovkin, S. Mueller, S. Sazonov, T. Mernik, V. Arefiev, V. Babyshkin, V. Kolmykov, V. Levin, V. Molodtsov, V. Nazarov, V. Voron

arxiv:2104.13267 v2 · 2021-04-27 · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RHVIASAX6T7XLJNEFT3P7VNJFL}

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	2026-07-05T03:41:49.801132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89ea804817f4ff75a5a42cf6ffd5a92add7d10ef5c716148350a6870bfbd921f

Aliases

arxiv: 2104.13267 · arxiv_version: 2104.13267v2 · doi: 10.48550/arxiv.2104.13267 · pith_short_12: RHVIASAX6T7X · pith_short_16: RHVIASAX6T7XLJNE · pith_short_8: RHVIASAX

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/RHVIASAX6T7XLJNEFT3P7VNJFL \
  | 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: 89ea804817f4ff75a5a42cf6ffd5a92add7d10ef5c716148350a6870bfbd921f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "648736ced75a20506bca8ad87e2d5bd98a7cfcab00c0b66a93c250e1754ce796",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-04-27T15:36:15Z",
    "title_canon_sha256": "c7f3c75ddbe5064f168dbae89fc636077ccd4a05e3a6b37404d69b766dcf1342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13267",
    "kind": "arxiv",
    "version": 2
  }
}