Pith Number

pith:ZGENNQ5H

pith:2007:ZGENNQ5HXGEY2MX2PQJEEYIIHL

not attested not anchored not stored refs pending

The velocity structure of moving magnetic feature pairs around sunspots: support for the U-loop model

Jingxiu Wang, Jun Zhang, J. Woch, S. K. Solanki

arxiv:0705.2507 v1 · 2007-05-17 · 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{ZGENNQ5HXGEY2MX2PQJEEYIIHL}

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	2026-07-04T17:03:52.481866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c988d6c3a7b9898d32fa7c124261083ac837565b72f65c1b87b0cd66b1f41878

Aliases

arxiv: 0705.2507 · arxiv_version: 0705.2507v1 · doi: 10.48550/arxiv.0705.2507 · pith_short_12: ZGENNQ5HXGEY · pith_short_16: ZGENNQ5HXGEY2MX2 · pith_short_8: ZGENNQ5H

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/ZGENNQ5HXGEY2MX2PQJEEYIIHL \
  | 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: c988d6c3a7b9898d32fa7c124261083ac837565b72f65c1b87b0cd66b1f41878

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67976b0af579b1ca4604ad3574b59da489e0bae559dcdb8ecb018541972509a8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-17T10:06:40Z",
    "title_canon_sha256": "351de8dac73939021d5bc4637e6bfd37528803218f1b6e0fd42a9801ca235b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.2507",
    "kind": "arxiv",
    "version": 1
  }
}