Pith Number

pith:D6YSFMUD

pith:2025:D6YSFMUDXDNKRUG5ZB7N6XVZYO

not attested not anchored not stored refs pending

Formation of a Possible Black-hole Ultracompact X-ray Binary with the Shortest Orbital Period

Kun Xu, Long Jiang, Wen-Cong Chen, Xing-Peng Yang, Zhi-Fu Gao

arxiv:2505.12689 v1 · 2025-05-19 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6YSFMUDXDNKRUG5ZB7N6XVZYO}

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	2026-07-05T11:05:08.274774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fb122b283b8daa8d0ddc87edf5eb9c3b1c894bb9199486a52a6a0ac00ec3c4f

Aliases

arxiv: 2505.12689 · arxiv_version: 2505.12689v1 · doi: 10.48550/arxiv.2505.12689 · pith_short_12: D6YSFMUDXDNK · pith_short_16: D6YSFMUDXDNKRUG5 · pith_short_8: D6YSFMUD

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/D6YSFMUDXDNKRUG5ZB7N6XVZYO \
  | 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: 1fb122b283b8daa8d0ddc87edf5eb9c3b1c894bb9199486a52a6a0ac00ec3c4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c08c4da37aca44e5c48cd4ab9f3fced94710479386e1fc63ef3e1125994dc44",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-19T04:25:16Z",
    "title_canon_sha256": "cd5c54e0211d6544e55e85800bb57f17ddbd935caef41b69a17b83460d64a141"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.12689",
    "kind": "arxiv",
    "version": 1
  }
}