Pith Number

pith:AUN26W7V

pith:2026:AUN26W7V44FY7QMFJ3MHL25JBJ

not attested not anchored not stored refs pending

Evidence for candidate X-ray pulsations from the ultraluminous X-ray source NGC 7456 ULX-1

Xiang-Dong Li, Xiao-Jie Xu (NJU), Yuanle Yao

arxiv:2606.20308 v1 · 2026-06-18 · 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{AUN26W7V44FY7QMFJ3MHL25JBJ}

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	2026-06-19T16:13:08.480072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

051baf5bf5e70b8fc1854ed875eba90a6a7507bd1c057ebaee80a0adf4ecddc2

Aliases

arxiv: 2606.20308 · arxiv_version: 2606.20308v1 · doi: 10.48550/arxiv.2606.20308 · pith_short_12: AUN26W7V44FY · pith_short_16: AUN26W7V44FY7QMF · pith_short_8: AUN26W7V

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/AUN26W7V44FY7QMFJ3MHL25JBJ \
  | 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: 051baf5bf5e70b8fc1854ed875eba90a6a7507bd1c057ebaee80a0adf4ecddc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4704aaacf04d9bccefa46d71651b272c7af5c6df21b9dc1b190b75ed6f6ec2c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-18T14:41:56Z",
    "title_canon_sha256": "e70ea7a3a781311057d55e52b609cbf0f62af40266ea12cc506792ecaebb0a5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20308",
    "kind": "arxiv",
    "version": 1
  }
}