Pith Number

pith:QYWU3TSA

pith:2007:QYWU3TSAPLWAZSCFZSOAPGUWBM

not attested not anchored not stored refs pending

The Emerging Features of Bipolar Magnetic Regions during Solar Minima

Wenbin Song, Xueshang Feng

arxiv:0706.3180 v1 · 2007-06-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYWU3TSAPLWAZSCFZSOAPGUWBM}

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	2026-07-04T17:04:22.884350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

862d4dce407aec0cc845cc9c079a960b26ff7f9ab2fad73c80377095f29950d1

Aliases

arxiv: 0706.3180 · arxiv_version: 0706.3180v1 · doi: 10.48550/arxiv.0706.3180 · pith_short_12: QYWU3TSAPLWA · pith_short_16: QYWU3TSAPLWAZSCF · pith_short_8: QYWU3TSA

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/QYWU3TSAPLWAZSCFZSOAPGUWBM \
  | 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: 862d4dce407aec0cc845cc9c079a960b26ff7f9ab2fad73c80377095f29950d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c6421ab21bea4551630c9710a979336033a309341f473c163122a66ee7438ab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-21T15:51:02Z",
    "title_canon_sha256": "1cd929556269e9044c97a6a9837cc76c471e041c99519289c6f613f936c65a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.3180",
    "kind": "arxiv",
    "version": 1
  }
}