Pith Number

pith:QO677HJH

pith:2026:QO677HJHMNUC564EPTOW2JILI4

not attested not anchored not stored refs pending

Comparison of symbolic regression algorithms in Star/galaxy/quasar separation

Rachit Deshpande, Shantanu Desai

arxiv:2602.24022 v2 · 2026-02-27 · astro-ph.IM · 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{QO677HJHMNUC564EPTOW2JILI4}

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	2026-06-19T16:12:19.021290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83bdff9d2763682efb847cdd6d250b4727e73d31e946060d37e13a3351eab4de

Aliases

arxiv: 2602.24022 · arxiv_version: 2602.24022v2 · doi: 10.48550/arxiv.2602.24022 · pith_short_12: QO677HJHMNUC · pith_short_16: QO677HJHMNUC564E · pith_short_8: QO677HJH

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/QO677HJHMNUC564EPTOW2JILI4 \
  | 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: 83bdff9d2763682efb847cdd6d250b4727e73d31e946060d37e13a3351eab4de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ac8dc95323a15877a0d48d295673422c8bbebbb0f8c0c6409cfda9dd0458c27",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-02-27T13:49:10Z",
    "title_canon_sha256": "577c98505e174172a23ce1262572f32d9caa6e1b7283bf0b131f232ab7b49d32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.24022",
    "kind": "arxiv",
    "version": 2
  }
}