Pith Number

pith:4RKH77E2

pith:2025:4RKH77E2QXPNAUVCLWDWEY6ZER

not attested not anchored not stored refs pending

A simple optimisation for the MeerKAT Pulsar Timing Array

Aditya Parthasarathy, Alessandro Corongiu, Andrea Possenti, Andrew D. Cameron, Daniel J. Reardon, Hannah Middleton, Marisa Geyer, Matthew Bailes, Matthew T. Miles, Max Jones, Michael Kramer, Ryan M. Shannon

arxiv:2505.02524 v1 · 2025-05-05 · 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{4RKH77E2QXPNAUVCLWDWEY6ZER}

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	2026-07-05T10:58:38.625452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4547ffc9a85ded052a25d876263d92454bc96209e13c47f73eaf229b1fe76e8

Aliases

arxiv: 2505.02524 · arxiv_version: 2505.02524v1 · doi: 10.48550/arxiv.2505.02524 · pith_short_12: 4RKH77E2QXPN · pith_short_16: 4RKH77E2QXPNAUVC · pith_short_8: 4RKH77E2

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/4RKH77E2QXPNAUVCLWDWEY6ZER \
  | 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: e4547ffc9a85ded052a25d876263d92454bc96209e13c47f73eaf229b1fe76e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c51e69e267551c6cadab3f92e293bc044e2cf61158042df37e98a6d7da87edf8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-05T10:01:23Z",
    "title_canon_sha256": "52de9665a2ea80849e5e42347391b642fcb70fda4e2abfcfce901754904ccd1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02524",
    "kind": "arxiv",
    "version": 1
  }
}