Pith Number

pith:KFPGCA5V

pith:2026:KFPGCA5V5EMW4VGQSC5UR4NJMP

not attested not anchored not stored refs pending

A New Cartwheel-like Collisional Ring Galaxy

Aleksandra V. Antipova, Alexander A. Marchuk, Anastasia M. Sypkova, Dmitry I. Makarov, Ilia V. Chugunov, Matvey D. Kozlov, Sergey S. Savchenko, Vladimir P. Reshetnikov

arxiv:2605.29618 v1 · 2026-05-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFPGCA5V5EMW4VGQSC5UR4NJMP}

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	2026-05-29T01:05:51.305373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

515e6103b5e9196e54d090bb48f1a963f99b2ecad9dd9aff15d9511c813ad68c

Aliases

arxiv: 2605.29618 · arxiv_version: 2605.29618v1 · doi: 10.48550/arxiv.2605.29618 · pith_short_12: KFPGCA5V5EMW · pith_short_16: KFPGCA5V5EMW4VGQ · pith_short_8: KFPGCA5V

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/KFPGCA5V5EMW4VGQSC5UR4NJMP \
  | 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: 515e6103b5e9196e54d090bb48f1a963f99b2ecad9dd9aff15d9511c813ad68c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cdcc22c3023e02e9ff20ab48e6774fc3fc97bd9cb108ff043a80bc290186df2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-28T08:53:09Z",
    "title_canon_sha256": "fe96553adbddb1cf9c40323711330e7e6f9714f24dea5d32e2e00f88b9211ebe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29618",
    "kind": "arxiv",
    "version": 1
  }
}