Pith Number

pith:KWZIK7QO

pith:2012:KWZIK7QOD5SLLAKJA4J6DYH546

not attested not anchored not stored refs pending

The wings of Ca II H and K as photospheric diagnostics and the reliability of one-dimensional photosphere modeling

V. A. Sheminova

arxiv:1207.2020 v1 · 2012-07-09 · 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{KWZIK7QOD5SLLAKJA4J6DYH546}

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	2026-05-18T01:56:26.632189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b2857e0e1f64b581490713e1e0fde79cc8dc72e339b5a4471e396e936fe008

Aliases

arxiv: 1207.2020 · arxiv_version: 1207.2020v1 · doi: 10.48550/arxiv.1207.2020 · pith_short_12: KWZIK7QOD5SL · pith_short_16: KWZIK7QOD5SLLAKJ · pith_short_8: KWZIK7QO

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/KWZIK7QOD5SLLAKJA4J6DYH546 \
  | 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: 55b2857e0e1f64b581490713e1e0fde79cc8dc72e339b5a4471e396e936fe008

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a64a93630046d079539dbb47642c2ff3d96023777bd288ebf910767cc555eb51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-09T12:13:15Z",
    "title_canon_sha256": "ae0f65b1de8209659cfe023335196b425ec6ed7012137e05200eed7ac8c96698"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2020",
    "kind": "arxiv",
    "version": 1
  }
}