Pith Number

pith:PUVJZQ5Z

pith:2011:PUVJZQ5ZXRXHJS76GL37UXIOLQ

not attested not anchored not stored refs pending

A quantitative analysis of stellar activity based on CoRoT photometric data

F. Baudin, J.C. Hulot, M.J. Goupil, R. Samadi

arxiv:1104.2185 v2 · 2011-04-12 · 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{PUVJZQ5ZXRXHJS76GL37UXIOLQ}

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	2026-05-18T02:22:09.741082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d2a9cc3b9bc6e74cbfe32f7fa5d0e5c2827409162e10363d9758d88a60c4c93

Aliases

arxiv: 1104.2185 · arxiv_version: 1104.2185v2 · doi: 10.48550/arxiv.1104.2185 · pith_short_12: PUVJZQ5ZXRXH · pith_short_16: PUVJZQ5ZXRXHJS76 · pith_short_8: PUVJZQ5Z

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/PUVJZQ5ZXRXHJS76GL37UXIOLQ \
  | 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: 7d2a9cc3b9bc6e74cbfe32f7fa5d0e5c2827409162e10363d9758d88a60c4c93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9168f6bfa086610f0e05694aad863cca6fa1054adebea73798af5806bebc679",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-12T12:22:04Z",
    "title_canon_sha256": "a15389775a5984849b47d8683caaf9ab1ee761abf85bca26db1249df948a4816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2185",
    "kind": "arxiv",
    "version": 2
  }
}