Pith Number

pith:EQPZG4O4

pith:2011:EQPZG4O4HSODRBYPQB57M7P7ZL

not attested not anchored not stored refs pending

The New RS CVn Binary V1034 Her Revisited and the orbital period - Activity relation of Short-period RS CVn binaries using photometric distortion amplitude

Zhang Liyun

arxiv:1112.1921 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{EQPZG4O4HSODRBYPQB57M7P7ZL}

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	2026-05-18T03:19:44.216210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

241f9371dc3c9c38870f807bf67dffcac771eaffa62cec71c74fa388aa705fbb

Aliases

arxiv: 1112.1921 · arxiv_version: 1112.1921v2 · doi: 10.48550/arxiv.1112.1921 · pith_short_12: EQPZG4O4HSOD · pith_short_16: EQPZG4O4HSODRBYP · pith_short_8: EQPZG4O4

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/EQPZG4O4HSODRBYPQB57M7P7ZL \
  | 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: 241f9371dc3c9c38870f807bf67dffcac771eaffa62cec71c74fa388aa705fbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa231dee44c4c95592a9698f28b9c8fc0bce373fe3a0edf227f6ba219e69eb70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-08T19:32:28Z",
    "title_canon_sha256": "810b646295a51e4443939fc02d652132307c57b6adc5600abf2d0fe4e73d9409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1921",
    "kind": "arxiv",
    "version": 2
  }
}