Pith Number

pith:ZNJCIABD

pith:2011:ZNJCIABDDY43E6OVWMK5QDLKRE

not attested not anchored not stored refs pending

On the chromospheric activity of stars with planets

B. L. Canto Martins, I. C. Le\~ao, J. R. De Medeiros, L. P. de Souza Neto, M. L. das Chagas, S. Alves

arxiv:1103.5332 v1 · 2011-03-28 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZNJCIABDDY43E6OVWMK5QDLKRE}

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	2026-05-18T04:22:49.722961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb522400231e39b279d5b315d80d6a8929118df663a48e01b8df45b36fc55ed2

Aliases

arxiv: 1103.5332 · arxiv_version: 1103.5332v1 · doi: 10.48550/arxiv.1103.5332 · pith_short_12: ZNJCIABDDY43 · pith_short_16: ZNJCIABDDY43E6OV · pith_short_8: ZNJCIABD

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/ZNJCIABDDY43E6OVWMK5QDLKRE \
  | 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: cb522400231e39b279d5b315d80d6a8929118df663a48e01b8df45b36fc55ed2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e6228bf933cb5fe78ca2aa3ec8436db529c1433635698a66d9fd3d945f617cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-03-28T11:31:08Z",
    "title_canon_sha256": "d09a91d51cead9bd92ec1f917d18c3823108893d5289594aa4470cc5daa3cc4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5332",
    "kind": "arxiv",
    "version": 1
  }
}