Pith Number

pith:BR2ZDB2M

pith:2026:BR2ZDB2M6SRPUL7IITW55DZBYQ

not attested not anchored not stored refs pending

Study of Massive OBA Stars with X-ray Emission

E. A. Nikolaeva, E. N. Irtuganov, I. F. Bikmaev, M. R. Gilfanov, P. S. Medvedev, R. A. Sunyaev

arxiv:2606.01582 v1 · 2026-06-01 · astro-ph.SR · 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{BR2ZDB2M6SRPUL7IITW55DZBYQ}

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	2026-06-02T02:04:37.216296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c7591874cf4a2fa2fe844edde8f21c43a8f5e0345aa0215e8bafc76b46c0a20

Aliases

arxiv: 2606.01582 · arxiv_version: 2606.01582v1 · doi: 10.48550/arxiv.2606.01582 · pith_short_12: BR2ZDB2M6SRP · pith_short_16: BR2ZDB2M6SRPUL7I · pith_short_8: BR2ZDB2M

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/BR2ZDB2M6SRPUL7IITW55DZBYQ \
  | 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: 0c7591874cf4a2fa2fe844edde8f21c43a8f5e0345aa0215e8bafc76b46c0a20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "158ef3c24894ea6045529211f8f04cba22ca0b5fea99758c9a1a095c186d54cc",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-01T02:27:11Z",
    "title_canon_sha256": "db9fd174ed2aaf84ace3b9233f384fbb8c0aba5817020b910e2216cf037f8f6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01582",
    "kind": "arxiv",
    "version": 1
  }
}