Pith Number

pith:6V4NJ52S

pith:2026:6V4NJ52SPSNJHCDOXF7TGCRGBA

not attested not anchored not stored refs pending

Performance of morphological classifiers for galaxy mergers compared to current machine learning methods

Aidan P. Cotter, Alejandro Guzm\'an-Ortega, Berta Margalef-Bentabol, Subhrata Dey, Vicente Rodriguez-Gomez, William J. Pearson

arxiv:2607.09209 v1 · 2026-07-10 · 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{6V4NJ52SPSNJHCDOXF7TGCRGBA}

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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.

Receipt and verification

First computed	2026-07-13T01:18:51.647569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f578d4f7527c9a93886eb97f330a26080693b56b4a0411bb4836eeb415db8a42

Aliases

arxiv: 2607.09209 · arxiv_version: 2607.09209v1 · doi: 10.48550/arxiv.2607.09209 · pith_short_12: 6V4NJ52SPSNJ · pith_short_16: 6V4NJ52SPSNJHCDO · pith_short_8: 6V4NJ52S

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/6V4NJ52SPSNJHCDOXF7TGCRGBA \
  | 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: f578d4f7527c9a93886eb97f330a26080693b56b4a0411bb4836eeb415db8a42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4be07d9baa51c8830eb01ef81dcced46f873ddf6f89ef670fccfa2deb6cacb24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-10T08:56:40Z",
    "title_canon_sha256": "965d208d854f55ad0e22d5572045fee9c48e6264f9016ba5434aaa4b55239b9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09209",
    "kind": "arxiv",
    "version": 1
  }
}