Pith Number

pith:FIBCZFWF

pith:2025:FIBCZFWFDIAPXOTUAQXPJWSNJK

not attested not anchored not stored refs pending

Milliarcsecond astrometric oscillations in active galactic nuclei as a precursor of multi-messenger gravitational wave events

Alexander G. Polnarev, Alexey Melnikov, Angelina A. Osetrova, Leonid I. Gurvits, Oleg Titov, Sandor Frey, Xiaohui Fan

arxiv:2507.02146 v3 · 2025-07-02 · astro-ph.CO · astro-ph.IM · 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{FIBCZFWFDIAPXOTUAQXPJWSNJK}

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	2026-07-05T11:56:05.143253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a022c96c51a00fbba74042ef4da4d4a86ae91be11ec5680bd4e06c67d54ec8d

Aliases

arxiv: 2507.02146 · arxiv_version: 2507.02146v3 · doi: 10.48550/arxiv.2507.02146 · pith_short_12: FIBCZFWFDIAP · pith_short_16: FIBCZFWFDIAPXOTU · pith_short_8: FIBCZFWF

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/FIBCZFWFDIAPXOTUAQXPJWSNJK \
  | 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: 2a022c96c51a00fbba74042ef4da4d4a86ae91be11ec5680bd4e06c67d54ec8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d431e7cb9376ee94057f97ca8251466e80aeb92645c82699c80797518c7ec0a3",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-07-02T21:04:25Z",
    "title_canon_sha256": "2ad44324f23872317d24aa4e32afcd124cb73da70ee15962e52112d41a74f272"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02146",
    "kind": "arxiv",
    "version": 3
  }
}