Pith Number

pith:ROW2LZFP

pith:2007:ROW2LZFPLKTDR3DUZC6UIYCBN4

not attested not anchored not stored refs pending

Butterfly Diagram and Activity Cycles in HR 1099

G.W. Henry, S.V. Berdyugina

arxiv:astro-ph/0703530 v1 · 2007-03-20 · astro-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{ROW2LZFPLKTDR3DUZC6UIYCBN4}

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.

Cited by

1 paper in Pith

Probing Flare-Associated Eruptions on AB Doradus via X-ray Absorption Variations

Receipt and verification

First computed	2026-07-04T17:07:48.495426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bada5e4af5aa638ec74c8bd4460416f0d01a275c0d1229b3fed838c01f325ba

Aliases

arxiv: astro-ph/0703530 · arxiv_version: astro-ph/0703530v1 · doi: 10.48550/arxiv.astro-ph/0703530 · pith_short_12: ROW2LZFPLKTD · pith_short_16: ROW2LZFPLKTDR3DU · pith_short_8: ROW2LZFP

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/ROW2LZFPLKTDR3DUZC6UIYCBN4 \
  | 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: 8bada5e4af5aa638ec74c8bd4460416f0d01a275c0d1229b3fed838c01f325ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53c7e5c0e259defc63bfa09cbd2dcaf006bd8fd73253ae3905a792061a208bb9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-20T16:15:45Z",
    "title_canon_sha256": "02efa43a581bdae1b06986cabc5335dce3aa8ee0acc73107fcd741fd82738027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703530",
    "kind": "arxiv",
    "version": 1
  }
}