Pith Number

pith:C32IIRUP

pith:2022:C32IIRUP2GDNG6PCQT5PSP2RHN

not attested not anchored not stored refs pending

Stellar activity correction using PCA decomposition of shells

F. Pepe, M. Cretignier, X. Dumusque

arxiv:2202.05902 v1 · 2022-02-11 · astro-ph.IM · astro-ph.EP · 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{C32IIRUP2GDNG6PCQT5PSP2RHN}

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	2026-07-05T04:04:32.348675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16f484468fd186d379e284faf93f513b5e7fa5ef98a574ebd10ca83933d0acca

Aliases

arxiv: 2202.05902 · arxiv_version: 2202.05902v1 · doi: 10.48550/arxiv.2202.05902 · pith_short_12: C32IIRUP2GDN · pith_short_16: C32IIRUP2GDNG6PC · pith_short_8: C32IIRUP

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/C32IIRUP2GDNG6PCQT5PSP2RHN \
  | 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: 16f484468fd186d379e284faf93f513b5e7fa5ef98a574ebd10ca83933d0acca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16969d84cd886d875d841b27ab5d29b039d9d684a80c914a6d1c25dea8b6417b",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-02-11T21:02:34Z",
    "title_canon_sha256": "0c50a7cc362d32890c943895b4a698997d054fdb54f249070e9df5c942a73da2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.05902",
    "kind": "arxiv",
    "version": 1
  }
}