Pith Number

pith:4KLJ25BQ

pith:2011:4KLJ25BQGV2DMVUB4GJUUVJL3K

not attested not anchored not stored refs pending

Chromospheric activity on the RS Canum Venaticorum stars

Gu Shenghong, Zhang Liyun

arxiv:1112.1926 v2 · 2011-12-08 · 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{4KLJ25BQGV2DMVUB4GJUUVJL3K}

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	2026-05-18T04:06:35.165808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2969d74303574365681e1934a552bda966ecd2e2cb9d4cf868cb4df632bac6e

Aliases

arxiv: 1112.1926 · arxiv_version: 1112.1926v2 · doi: 10.48550/arxiv.1112.1926 · pith_short_12: 4KLJ25BQGV2D · pith_short_16: 4KLJ25BQGV2DMVUB · pith_short_8: 4KLJ25BQ

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/4KLJ25BQGV2DMVUB4GJUUVJL3K \
  | 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: e2969d74303574365681e1934a552bda966ecd2e2cb9d4cf868cb4df632bac6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfbdb4fea59f9f62dd2acd1afe12a7965037ab02eaf633cda7d9ccdd99c82590",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-08T19:58:47Z",
    "title_canon_sha256": "12b8ba7b243a5a9a0e0e4d2f48fa31645257c1fb0fa5d6125fd1aaa72f252f87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1926",
    "kind": "arxiv",
    "version": 2
  }
}