Pith Number

pith:K53HFHO4

pith:2026:K53HFHO4V3XS667WVCGKGUSSIZ

not attested not anchored not stored refs pending

A Realistic Pulsar -- Supermassive Black Hole Timing Model

Lijing Shao, Zexin Hu, Ziming Wang

arxiv:2602.19546 v2 · 2026-02-23 · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K53HFHO4V3XS667WVCGKGUSSIZ}

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.

Cited by

1 paper in Pith

Granular mass perturbations on the pulsar - supermassive black hole system

Receipt and verification

First computed	2026-07-22T01:23:37.321843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5776729ddcaeef2f7bf6a88ca35252464b0e22c2c04ec486661132311b72d53c

Aliases

arxiv: 2602.19546 · arxiv_version: 2602.19546v2 · doi: 10.48550/arxiv.2602.19546 · pith_short_12: K53HFHO4V3XS · pith_short_16: K53HFHO4V3XS667W · pith_short_8: K53HFHO4

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/K53HFHO4V3XS667WVCGKGUSSIZ \
  | 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: 5776729ddcaeef2f7bf6a88ca35252464b0e22c2c04ec486661132311b72d53c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f981f228da24dfe67b5775d34ec57a9505b147d55a9c0524f71466d9f7327ef2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-02-23T06:38:02Z",
    "title_canon_sha256": "c181ab93e4c27f55c6e4170876833c2a1d75f32a9b602712698268a13f6d5379"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.19546",
    "kind": "arxiv",
    "version": 2
  }
}