Pith Number

pith:OJBBLRSB

pith:2026:OJBBLRSBOVG67VHTGUAULSFJYU

not attested not anchored not stored refs pending

Stellar Activity Cycles Grow Longer and Weaker Before Disappearing

Travis S. Metcalfe (Center for Solar-Stellar Connections)

arxiv:2606.04927 v1 · 2026-06-03 · physics.gen-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJBBLRSBOVG67VHTGUAULSFJYU}

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	2026-06-04T01:09:56.100758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

724215c641754defd4f3350145c8a9c536c71e55f0bce5c25d44fd543b257986

Aliases

arxiv: 2606.04927 · arxiv_version: 2606.04927v1 · doi: 10.48550/arxiv.2606.04927 · pith_short_12: OJBBLRSBOVG6 · pith_short_16: OJBBLRSBOVG67VHT · pith_short_8: OJBBLRSB

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/OJBBLRSBOVG67VHTGUAULSFJYU \
  | 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: 724215c641754defd4f3350145c8a9c536c71e55f0bce5c25d44fd543b257986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbbf77f53d22cae98340cbcd3b9e51245680ab8009631e066e46cc88f343db64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2026-06-03T14:21:16Z",
    "title_canon_sha256": "faa97fc9115f2e0b59f1bec1d6dc80217a9e2f61040b7d4af900c458648c40a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04927",
    "kind": "arxiv",
    "version": 1
  }
}