Pith Number

pith:7IIPM4JI

pith:2025:7IIPM4JI7CPULQTRPUGJNLOSYB

not attested not anchored not stored refs pending

Chromospherically active stars: Chemical composition of photospheres in 20 RS CVn stars

A. Drazdauskas, B. Bale, E. Stonkute, G. Tautvaisiene, M. Ambrosch, R. Minkeviciute, S. Mikolaitis

arxiv:2503.19888 v2 · 2025-03-25 · 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{7IIPM4JI7CPULQTRPUGJNLOSYB}

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	2026-07-05T10:41:54.141828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa10f67128f89f45c2717d0c96add2c05d07c34ec55de958d193b33f65e39037

Aliases

arxiv: 2503.19888 · arxiv_version: 2503.19888v2 · doi: 10.48550/arxiv.2503.19888 · pith_short_12: 7IIPM4JI7CPU · pith_short_16: 7IIPM4JI7CPULQTR · pith_short_8: 7IIPM4JI

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/7IIPM4JI7CPULQTRPUGJNLOSYB \
  | 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: fa10f67128f89f45c2717d0c96add2c05d07c34ec55de958d193b33f65e39037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "784074b5e567b64cd574bece2cc909662fe54d550d0d57a96b5b0b8eec4d5fd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-03-25T17:53:17Z",
    "title_canon_sha256": "ce89e707ab3502ac8d95aa4930fbee9f82344e12541791dda7eb75a597adc325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.19888",
    "kind": "arxiv",
    "version": 2
  }
}