Pith Number

pith:FQRKYOBO

pith:2023:FQRKYOBOKK2SNPD4TKYY32MT7P

not attested not anchored not stored refs pending

Magnetic Helicity and Free Magnetic Energy as Tools to Probe Eruptions in two Differently Evolving Solar Active Regions

A. Nindos, E. Liokati, M. K. Georgoulis

arxiv:2301.08495 v1 · 2023-01-20 · 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{FQRKYOBOKK2SNPD4TKYY32MT7P}

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	2026-07-05T05:55:47.812575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c22ac382e52b526bc7c9ab18de993fbe9cd175d3f2043acc06d826f079bf8bf

Aliases

arxiv: 2301.08495 · arxiv_version: 2301.08495v1 · doi: 10.48550/arxiv.2301.08495 · pith_short_12: FQRKYOBOKK2S · pith_short_16: FQRKYOBOKK2SNPD4 · pith_short_8: FQRKYOBO

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/FQRKYOBOKK2SNPD4TKYY32MT7P \
  | 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: 2c22ac382e52b526bc7c9ab18de993fbe9cd175d3f2043acc06d826f079bf8bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bce788383193fc8c30e95b70ff722b680e58d7cff7d0b4d46d70f8b906253111",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-01-20T09:51:43Z",
    "title_canon_sha256": "8b1e7155d945d27e2c0758433326f2c6949c6d47dc5b2a0c3058ce604e93dc81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.08495",
    "kind": "arxiv",
    "version": 1
  }
}