Pith Number

pith:HVHRM2WN

pith:2012:HVHRM2WN6JDVJLFIN7ZZOYDMSA

not attested not anchored not stored refs pending

What Are Special About Ground-Level Events? Flares, CMEs, Active Regions And Magnetic Field Connection

M. L. Derosa, N. V. Nitta, R. W. Nightingale, Y. Liu

arxiv:1203.5777 v1 · 2012-03-24 · 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{HVHRM2WN6JDVJLFIN7ZZOYDMSA}

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	2026-05-18T01:58:01.701057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d4f166acdf24754aca86ff397606c9038e30d227657b0b67b35758ae02ef7c7

Aliases

arxiv: 1203.5777 · arxiv_version: 1203.5777v1 · doi: 10.48550/arxiv.1203.5777 · pith_short_12: HVHRM2WN6JDV · pith_short_16: HVHRM2WN6JDVJLFI · pith_short_8: HVHRM2WN

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/HVHRM2WN6JDVJLFIN7ZZOYDMSA \
  | 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: 3d4f166acdf24754aca86ff397606c9038e30d227657b0b67b35758ae02ef7c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63ee7619295cf4b9fe1bc454befbae2cf521a3729f6adf2142aaf157e30b80b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-24T00:15:49Z",
    "title_canon_sha256": "41acc52df289e6aa277d0a4224baca629c1cd2beda37146df40baf0a2fcde871"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5777",
    "kind": "arxiv",
    "version": 1
  }
}