Pith Number

pith:UW4QJDJ3

pith:2012:UW4QJDJ3SGAYG2NHYWWMBV2E5O

not attested not anchored not stored refs pending

A Statistical Study on Photospheric Magnetic Nonpotentiality of Active Regions and Its Relationship with Flares during Solar Cycles 22-23

GangHua Lin, HongQi Zhang, Juan Guo, Xiao Yang, Yu Gao

arxiv:1206.2006 v1 · 2012-06-10 · 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{UW4QJDJ3SGAYG2NHYWWMBV2E5O}

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	2026-05-18T03:49:10.117421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b9048d3b91818369a7c5acc0d744eb877264d8a43fe704a8499557e6fff6a8

Aliases

arxiv: 1206.2006 · arxiv_version: 1206.2006v1 · doi: 10.48550/arxiv.1206.2006 · pith_short_12: UW4QJDJ3SGAY · pith_short_16: UW4QJDJ3SGAYG2NH · pith_short_8: UW4QJDJ3

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/UW4QJDJ3SGAYG2NHYWWMBV2E5O \
  | 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: a5b9048d3b91818369a7c5acc0d744eb877264d8a43fe704a8499557e6fff6a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ec9ae31182e5bd4d12eb6a90f80740a2f87033ac74b77c0d0b8c0f6a1a02e52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-10T09:14:13Z",
    "title_canon_sha256": "8ced61cc89794c91017c8eae67dfd460ae26d3fcfb525e197d9124193db14f77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2006",
    "kind": "arxiv",
    "version": 1
  }
}