Pith Number

pith:6MQDN3QH

pith:2021:6MQDN3QHCYCMSB6DZGGA3YUQ2A

not attested not anchored not stored refs pending

Wind-powered ultraluminous X-ray sources

Grzegorz Wiktorowicz, Jean-Pierre Lasota, Jifeng Liu, Krystian I{\l}kiewicz, Krzysztof Belczynski, Youjun Lu

arxiv:2103.02026 v2 · 2021-03-02 · 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{6MQDN3QHCYCMSB6DZGGA3YUQ2A}

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	2026-07-05T03:17:48.642577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f32036ee071604c907c3c98c0de290d0339a00ddd7801b99cf17b661ca620399

Aliases

arxiv: 2103.02026 · arxiv_version: 2103.02026v2 · doi: 10.48550/arxiv.2103.02026 · pith_short_12: 6MQDN3QHCYCM · pith_short_16: 6MQDN3QHCYCMSB6D · pith_short_8: 6MQDN3QH

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/6MQDN3QHCYCMSB6DZGGA3YUQ2A \
  | 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: f32036ee071604c907c3c98c0de290d0339a00ddd7801b99cf17b661ca620399

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae85157fb0f6a546e728d973947703c1bb2db793c8eae6b723839b38f8205e35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-03-02T21:08:04Z",
    "title_canon_sha256": "959a4977bcd1bd5c26a8524739c075bb9da2f2280660dc21bd54946c12164a77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02026",
    "kind": "arxiv",
    "version": 2
  }
}