Pith Number

pith:UOWXXRGV

pith:2022:UOWXXRGV7ZRPYZFCVMY2ZPKNMP

not attested not anchored not stored refs pending

Quasi periodic whispers from a transient ULX in M\,101: signatures of a fast-spinning neutron star?

Fabio Pintore, Giacomo Riva, Gian Luca Israel, Kaiming Cui, Paolo Esposito, Roberto Soria, Rosanne Di Stefano, Ryan T. Urquhart, Sammarth Kumar, Sara Motta

arxiv:2201.07252 v1 · 2022-01-18 · 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{UOWXXRGV7ZRPYZFCVMY2ZPKNMP}

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	2026-07-05T04:01:08.948812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3ad7bc4d5fe62fc64a2ab31acbd4d63f029d58a7b4bf6a036bfc169ad7bcd97

Aliases

arxiv: 2201.07252 · arxiv_version: 2201.07252v1 · doi: 10.48550/arxiv.2201.07252 · pith_short_12: UOWXXRGV7ZRP · pith_short_16: UOWXXRGV7ZRPYZFC · pith_short_8: UOWXXRGV

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/UOWXXRGV7ZRPYZFCVMY2ZPKNMP \
  | 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: a3ad7bc4d5fe62fc64a2ab31acbd4d63f029d58a7b4bf6a036bfc169ad7bcd97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "013e90b1775f52726277b12f74d4f70897f6a91a5580c1835aa1cc39670bb4e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-01-18T19:00:02Z",
    "title_canon_sha256": "e6c5ad35592781e6c3ff64afa3441d639d3edebb24a81062984f702ede93e1bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07252",
    "kind": "arxiv",
    "version": 1
  }
}