Pith Number

pith:BG2K44JD

pith:2017:BG2K44JDFXQ7SWIQIZQEKLZOVN

not attested not anchored not stored refs pending

Emergence of magnetic flux generated in a solar convective dynamo. I: Formation of Sunspots and Active regions, and Origin of Their Asymmetries

Feng Chen, Matthias Rempel, Yuhong Fan

arxiv:1704.05999 v2 · 2017-04-20 · 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{BG2K44JDFXQ7SWIQIZQEKLZOVN}

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	2026-05-18T00:34:51.169952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09b4ae71232de1f959104660452f2eab4a5d04db10c9ac1054451412acb05048

Aliases

arxiv: 1704.05999 · arxiv_version: 1704.05999v2 · doi: 10.48550/arxiv.1704.05999 · pith_short_12: BG2K44JDFXQ7 · pith_short_16: BG2K44JDFXQ7SWIQ · pith_short_8: BG2K44JD

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/BG2K44JDFXQ7SWIQIZQEKLZOVN \
  | 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: 09b4ae71232de1f959104660452f2eab4a5d04db10c9ac1054451412acb05048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bdaf9c625afed3476d0006fe558b2306f2e809543eca98895cdde523dbf7f10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-04-20T03:59:09Z",
    "title_canon_sha256": "d7a93ba73264f3afcd8df07e9bc6c9c7218748da6075fd3ae36d9ac946ea92ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05999",
    "kind": "arxiv",
    "version": 2
  }
}