Pith Number

pith:NPCGRKFO

pith:2025:NPCGRKFOKURJVUB44VIGNEETO6

not attested not anchored not stored refs pending

Application of Deep Learning to the Classification of Stokes Profiles: From the Quiet Sun to Sunspots

Carlos Quintero Noda, David Orozco Su\'arez, Mihalis Mathioudakis, Peter Keys, Ryan James Campbell

arxiv:2505.14275 v1 · 2025-05-20 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPCGRKFOKURJVUB44VIGNEETO6}

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	2026-07-05T11:05:58.728593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc468a8ae55229ad03ce550669093778d859a11401174405fa7da698dc5c01e

Aliases

arxiv: 2505.14275 · arxiv_version: 2505.14275v1 · doi: 10.48550/arxiv.2505.14275 · pith_short_12: NPCGRKFOKURJ · pith_short_16: NPCGRKFOKURJVUB4 · pith_short_8: NPCGRKFO

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/NPCGRKFOKURJVUB44VIGNEETO6 \
  | 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: 6bc468a8ae55229ad03ce550669093778d859a11401174405fa7da698dc5c01e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8867075fede1fd2013d529a9d2ac9119eeb1eecfc9c9ea7c35b532bf5746a004",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-05-20T12:28:08Z",
    "title_canon_sha256": "06661083a78c28a1bdb148a60ea3791dc171eb27da493059fe7062bb08727d09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.14275",
    "kind": "arxiv",
    "version": 1
  }
}