Pith Number

pith:GP4GTQTG

pith:2026:GP4GTQTGJFJRKQMRKIYB5V5QHP

not attested not anchored not stored refs pending

Open Data from LIGO, Virgo, and KAGRA through the Second Part of the Fourth Observing Run

the KAGRA Collaboration, The LIGO Scientific Collaboration, the Virgo Collaboration

arxiv:2605.27090 v1 · 2026-05-26 · gr-qc · 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{GP4GTQTGJFJRKQMRKIYB5V5QHP}

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	2026-05-27T01:06:27.782668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33f869c266495315419152301ed7b03bff5b1675d47bf489a4a3ff29ad6901b6

Aliases

arxiv: 2605.27090 · arxiv_version: 2605.27090v1 · doi: 10.48550/arxiv.2605.27090 · pith_short_12: GP4GTQTGJFJR · pith_short_16: GP4GTQTGJFJRKQMR · pith_short_8: GP4GTQTG

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/GP4GTQTGJFJRKQMRKIYB5V5QHP \
  | 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: 33f869c266495315419152301ed7b03bff5b1675d47bf489a4a3ff29ad6901b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a3ae27a96f2606601decfad0cbc26350f8e929f84d99a5095400ad1da7de30e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-05-26T14:36:19Z",
    "title_canon_sha256": "52ab96435dd19c9cdec16ad230fb9892c60917cda8080790c5160a8bdab0f999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27090",
    "kind": "arxiv",
    "version": 1
  }
}