Pith Number

pith:6SGR5OMG

pith:2017:6SGR5OMG64JZQARRRBOSEVYREI

not attested not anchored not stored refs pending

Starspot activity and superflares on solar-type stars

Daisaku Nogami, Hiroyuki Maehara, Kazunari Shibata, Kosuke Namekata, Satoshi Honda, Shota Notsu, Takako T. Ishii, Yuta Notsu

arxiv:1702.07141 v1 · 2017-02-23 · 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{6SGR5OMG64JZQARRRBOSEVYREI}

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	2026-05-18T00:42:01.813942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f48d1eb986f713980231885d225711223bbee3873fc8355c50ae3713e9cd1456

Aliases

arxiv: 1702.07141 · arxiv_version: 1702.07141v1 · doi: 10.48550/arxiv.1702.07141 · pith_short_12: 6SGR5OMG64JZ · pith_short_16: 6SGR5OMG64JZQARR · pith_short_8: 6SGR5OMG

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/6SGR5OMG64JZQARRRBOSEVYREI \
  | 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: f48d1eb986f713980231885d225711223bbee3873fc8355c50ae3713e9cd1456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14f231ea9ff826acb36adcea6698235a7d6da33bc490f2301ceeb17564abadd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-02-23T09:08:24Z",
    "title_canon_sha256": "30dbd7aa5d4f69ca2b7ec0fb6142d62fa9cccd41d4dad5b66d4194093ed589dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07141",
    "kind": "arxiv",
    "version": 1
  }
}