Pith Number

pith:2O2G3KDZ

pith:2015:2O2G3KDZCJUNI7BUWREPUITMS4

not attested not anchored not stored refs pending

On flare predictability based on sunspot group evolution

Andras Ludmany, Marianna Korsos, Robert Erdelyi, Tunde Baranyi

arxiv:1503.04634 v1 · 2015-03-16 · 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{2O2G3KDZCJUNI7BUWREPUITMS4}

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	2026-05-18T01:01:49.468569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b46da8791268d47c34b448fa226c9737183b0ba4dabe9765efd3b7e43e4391

Aliases

arxiv: 1503.04634 · arxiv_version: 1503.04634v1 · doi: 10.48550/arxiv.1503.04634 · pith_short_12: 2O2G3KDZCJUN · pith_short_16: 2O2G3KDZCJUNI7BU · pith_short_8: 2O2G3KDZ

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/2O2G3KDZCJUNI7BUWREPUITMS4 \
  | 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: d3b46da8791268d47c34b448fa226c9737183b0ba4dabe9765efd3b7e43e4391

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d8bc6dda8072218a82ed0342b2b06e06b3fa181821503165fc25318fdc99634",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-16T13:09:45Z",
    "title_canon_sha256": "6421b2198a9ae2caad6cb299ecb949544f7be3056b7fc66fc7a76c22693e10c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04634",
    "kind": "arxiv",
    "version": 1
  }
}