Pith Number

pith:SVJLRHDG

pith:2024:SVJLRHDGCEPDT5RXCY3XJ5XBQV

not attested not anchored not stored refs pending

Classification of Spiral Galaxies by Spiral Arm Number using Convolutional Neural Network

John Y. H. Soo, Ming Wei Lee, Syarawi M. H. Sharoni

arxiv:2412.11696 v1 · 2024-12-16 · 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{SVJLRHDGCEPDT5RXCY3XJ5XBQV}

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	2026-07-05T09:49:50.290964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9552b89c66111e39f637163774f6e18548ae3ecf0cf6f73302742cb8a849ec15

Aliases

arxiv: 2412.11696 · arxiv_version: 2412.11696v1 · doi: 10.48550/arxiv.2412.11696 · pith_short_12: SVJLRHDGCEPD · pith_short_16: SVJLRHDGCEPDT5RX · pith_short_8: SVJLRHDG

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/SVJLRHDGCEPDT5RXCY3XJ5XBQV \
  | 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: 9552b89c66111e39f637163774f6e18548ae3ecf0cf6f73302742cb8a849ec15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78d16124f0cd2fbe0a0203014d7e2fed82625352233cf56374e677e49816da0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-12-16T12:15:49Z",
    "title_canon_sha256": "2cea1498974a03b14f3cb22cd7df7079618b1ab38366a44b4746e2ff2a41419b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.11696",
    "kind": "arxiv",
    "version": 1
  }
}