Pith Number

pith:T4MJEUK4

pith:2025:T4MJEUK4BXUVHD6VSD365J55U2

not attested not anchored not stored refs pending

Morphological Classification of Galaxies

Karen Masters (Haverford College)

arxiv:2502.09610 v1 · 2025-02-13 · 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{T4MJEUK4BXUVHD6VSD365J55U2}

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.

Cited by

1 paper in Pith

Machine learning technique for morphological classification of galaxies from SDSS. IV. Visual inspection vs CNN for merging, irregular, edge-on, barred, ringed, and with dust lanes galaxies at 0.02<z<

Receipt and verification

First computed	2026-07-05T10:13:59.949223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f1892515c0de9538fd590f7eea7bda6a335eff9af28d60dea7e0e7237118c1b

Aliases

arxiv: 2502.09610 · arxiv_version: 2502.09610v1 · doi: 10.48550/arxiv.2502.09610 · pith_short_12: T4MJEUK4BXUV · pith_short_16: T4MJEUK4BXUVHD6V · pith_short_8: T4MJEUK4

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/T4MJEUK4BXUVHD6VSD365J55U2 \
  | 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: 9f1892515c0de9538fd590f7eea7bda6a335eff9af28d60dea7e0e7237118c1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "132f929d1d5896a67cf2c83998d186d5546c9e8163aea7f2b34420fad571bd1b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-13T18:57:39Z",
    "title_canon_sha256": "dba49ec444fd4788e7d5a2b8c26e8b7b162cf4af2e409090ec5b5f973c628365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09610",
    "kind": "arxiv",
    "version": 1
  }
}