Pith Number

pith:TH3WD3VU

pith:2013:TH3WD3VUM7KNHSFAM3J4EFV4YU

not attested not anchored not stored refs pending

Magnetic Nonpotentiality in Photospheric Active Regions as a Predictor of Solar Flares

GangHua Lin, HongQi Zhang, Xiao Yang, Xinjie Mao

arxiv:1308.1181 v1 · 2013-08-06 · 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{TH3WD3VUM7KNHSFAM3J4EFV4YU}

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	2026-05-18T03:14:49.550131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99f761eeb467d4d3c8a066d3c216bcc51af3d72b4bb20dba8241c53aabcc887a

Aliases

arxiv: 1308.1181 · arxiv_version: 1308.1181v1 · doi: 10.48550/arxiv.1308.1181 · pith_short_12: TH3WD3VUM7KN · pith_short_16: TH3WD3VUM7KNHSFA · pith_short_8: TH3WD3VU

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/TH3WD3VUM7KNHSFAM3J4EFV4YU \
  | 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: 99f761eeb467d4d3c8a066d3c216bcc51af3d72b4bb20dba8241c53aabcc887a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68cae17e89e35820afc2a0eaf0fb564a4e04eb117e5fbf058ee182d1302a38ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-06T04:08:28Z",
    "title_canon_sha256": "c2849172f76e6a12ced02eac163f99f716282e1fe6c81c9529feac35735a1c53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1181",
    "kind": "arxiv",
    "version": 1
  }
}