Pith Number

pith:JGSBQ4TV

pith:2025:JGSBQ4TVC4KM2S7TYWJQM7FYNR

not attested not anchored not stored refs pending

Beyond diagonal approximations: improved covariance modeling for pulsar timing array data analysis

Marco Crisostomi, Michele Vallisneri, Patrick M. Meyers, Rutger van Haasteren

arxiv:2506.13866 v1 · 2025-06-16 · astro-ph.IM · astro-ph.CO · astro-ph.GA · astro-ph.HE · gr-qc

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JGSBQ4TVC4KM2S7TYWJQM7FYNR}

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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

14 papers in Pith

A new framework for lightning-fast gravitational wave analysis of pulsar timing data

Comparing gravitational wave background predictions from cosmological simulations to pulsar timing observations

Are PTA measurements sensitive to gravitational wave non-Gaussianities?

The NANOGrav 15 yr Data Set: Customized Chromatic Noise Models

The NANOGrav 15 yr Data Set: Impacts of Customized Chromatic Noise Models on Gravitational Wave Analyses

Receipt and verification

First computed	2026-07-05T11:22:44.950814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49a41872751714cd4bf3c593067cb86c63081657978ee13d7cf055d49327ce90

Aliases

arxiv: 2506.13866 · arxiv_version: 2506.13866v1 · doi: 10.48550/arxiv.2506.13866 · pith_short_12: JGSBQ4TVC4KM · pith_short_16: JGSBQ4TVC4KM2S7T · pith_short_8: JGSBQ4TV

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/JGSBQ4TVC4KM2S7TYWJQM7FYNR \
  | 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: 49a41872751714cd4bf3c593067cb86c63081657978ee13d7cf055d49327ce90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2722619c96c993e788c34d565f732a5096021b12f6ebab1bceedf034a425e953",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-06-16T18:00:02Z",
    "title_canon_sha256": "84423ca208ea5103f7847078f42dd8038197dd647b748315dca08b998fbab981"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13866",
    "kind": "arxiv",
    "version": 1
  }
}