Pith Number

pith:IJGWV6N7

pith:2025:IJGWV6N77CNBJBCP6I4SWMST4Q

not attested not anchored not stored refs pending

Temporal Variation of Flare Occurrence Rates via the Spot Evolution on the Sun and Solar-type Stars

Hiroyuki Maehara, Kosuke Namekata, Shin Toriumi, Takato Tokuno

arxiv:2504.12761 v1 · 2025-04-17 · 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{IJGWV6N77CNBJBCP6I4SWMST4Q}

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	2026-07-05T11:07:23.652863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

424d6af9bff89a14844ff2392b3253e42875db36e427dadbc648ea2854f2d05e

Aliases

arxiv: 2504.12761 · arxiv_version: 2504.12761v1 · doi: 10.48550/arxiv.2504.12761 · pith_short_12: IJGWV6N77CNB · pith_short_16: IJGWV6N77CNBJBCP · pith_short_8: IJGWV6N7

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/IJGWV6N77CNBJBCP6I4SWMST4Q \
  | 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: 424d6af9bff89a14844ff2392b3253e42875db36e427dadbc648ea2854f2d05e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b1fbdf052042bbba97a04256ffedef535ef880eae19c20d327d04867323b101",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-17T08:56:43Z",
    "title_canon_sha256": "89c883222a63a61982d4918b79fe6f7208e1aa795755ad7a6001b9c2dda811fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.12761",
    "kind": "arxiv",
    "version": 1
  }
}