Pith Number

pith:LT4H3MY5

pith:2022:LT4H3MY5CXXVMAFIJLFYZLLMNA

not attested not anchored not stored refs pending

Eppur si muove... On the Origin of Long Secondary Periods in Red Giant Stars

I. Soszy\'nski

arxiv:2204.02832 v1 · 2022-04-06 · 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{LT4H3MY5CXXVMAFIJLFYZLLMNA}

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	2026-07-05T04:12:12.745222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cf87db31d15ef5600a84acb8cad6c6816ab900c6c3ccb7bb5079513dd1f7522

Aliases

arxiv: 2204.02832 · arxiv_version: 2204.02832v1 · doi: 10.48550/arxiv.2204.02832 · pith_short_12: LT4H3MY5CXXV · pith_short_16: LT4H3MY5CXXVMAFI · pith_short_8: LT4H3MY5

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/LT4H3MY5CXXVMAFIJLFYZLLMNA \
  | 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: 5cf87db31d15ef5600a84acb8cad6c6816ab900c6c3ccb7bb5079513dd1f7522

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82e9604775275780eeacf8ef275881ef2710e264de72fa029c8818fddf06aa76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-04-06T13:47:43Z",
    "title_canon_sha256": "e1a65b0999d921570c770d82cc3ee77b257785191fdb01c629801c04dcb3b408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.02832",
    "kind": "arxiv",
    "version": 1
  }
}