Pith Number

pith:V7QHMBWU

pith:2023:V7QHMBWUQB5F2EURLZS7NTBOHX

not attested not anchored not stored refs pending

Stellar surface information from the Ca II H&K lines I. Intensity profiles of the solar activity components

A.G.M. Pietrow, M.Cretignier, S. Aigrain

arxiv:2310.15926 v1 · 2023-10-24 · astro-ph.SR · 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{V7QHMBWUQB5F2EURLZS7NTBOHX}

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

2 papers in Pith

Spectral Ratio Analysis: probing of a new suite of stellar activity indicators as a tool for astrophysical noise mitigation

Datacubes of H$\alpha$, CaII K, CaII H and H$\epsilon$ line profiles of the full solar disk recorded daily at Meudon observatory since 2017 and some typical profiles of solar features

Receipt and verification

First computed	2026-07-05T07:04:32.529068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afe07606d4807a5d12915e65f6cc2e3de6873ebc2f8438260e336b40953427fd

Aliases

arxiv: 2310.15926 · arxiv_version: 2310.15926v1 · doi: 10.48550/arxiv.2310.15926 · pith_short_12: V7QHMBWUQB5F · pith_short_16: V7QHMBWUQB5F2EUR · pith_short_8: V7QHMBWU

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/V7QHMBWUQB5F2EURLZS7NTBOHX \
  | 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: afe07606d4807a5d12915e65f6cc2e3de6873ebc2f8438260e336b40953427fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1ecca7af93730d977b2aaff0b9b11d16cc4f7533d961b84d110801bf719aeca",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-10-24T15:25:59Z",
    "title_canon_sha256": "fc930848739e8a57a08783248c74f6a99b4dec6ff3bc27473f5af9facf446653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.15926",
    "kind": "arxiv",
    "version": 1
  }
}