Pith Number

pith:LQTCSQXJ

pith:2019:LQTCSQXJ37DMKCRCDPR2AIWRE4

not attested not anchored not stored refs pending

Solar flare forecasting using morphological properties of sunspot groups

M. Falco, P. Costa, P. Romano

arxiv:1905.05759 v1 · 2019-05-14 · 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{LQTCSQXJ37DMKCRCDPR2AIWRE4}

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	2026-05-17T23:46:08.572733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c262942e9dfc6c50a221be3a022d1273a6ee00597887b9461908ef55d9c5a99

Aliases

arxiv: 1905.05759 · arxiv_version: 1905.05759v1 · doi: 10.48550/arxiv.1905.05759 · pith_short_12: LQTCSQXJ37DM · pith_short_16: LQTCSQXJ37DMKCRC · pith_short_8: LQTCSQXJ

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/LQTCSQXJ37DMKCRCDPR2AIWRE4 \
  | 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: 5c262942e9dfc6c50a221be3a022d1273a6ee00597887b9461908ef55d9c5a99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df1e3d1d0d77f4fcc82a41bbf6e473a82243d78522377a44b5448624e3b1e8ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-14T10:59:07Z",
    "title_canon_sha256": "6d9d04180b3329e025d279670523d02234bfe2485638feac1cc8ea588af21b4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05759",
    "kind": "arxiv",
    "version": 1
  }
}