Pith Number

pith:6FI2WREL

pith:2026:6FI2WRELO6ZKUJA3UG6QN3XMWB

not attested not anchored not stored refs pending

An Improved HDBSCAN-based Detection and Tracking Method for Solar Active Regions in Magnetograms

C. X. Shi, P. F. Chen, Q. Hao, Y. Guo

arxiv:2605.23150 v1 · 2026-05-22 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6FI2WRELO6ZKUJA3UG6QN3XMWB}

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	2026-05-25T02:01:40.552328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f151ab448b77b2aa241ba1bd06eeecb06932896f5107664f90d18f59e3b678a6

Aliases

arxiv: 2605.23150 · arxiv_version: 2605.23150v1 · doi: 10.48550/arxiv.2605.23150 · pith_short_12: 6FI2WRELO6ZK · pith_short_16: 6FI2WRELO6ZKUJA3 · pith_short_8: 6FI2WREL

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/6FI2WRELO6ZKUJA3UG6QN3XMWB \
  | 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: f151ab448b77b2aa241ba1bd06eeecb06932896f5107664f90d18f59e3b678a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33cd26ecef4235cf89ca552d772dc68c13d171a5199f5f808a60c1e2e84e5b43",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-05-22T01:55:40Z",
    "title_canon_sha256": "1bdbe8b0a70a78cce7ea769a6612d64e047d2ce0e9f776e0f79a96b0c9b5d0bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23150",
    "kind": "arxiv",
    "version": 1
  }
}