Pith Number

pith:QEHW67VQ

pith:2013:QEHW67VQHZAT4W4SXMMWJQGRZM

not attested not anchored not stored refs pending

On the reliability of measuring differential rotation of spotted stars

J\'anos Bartus, Katalin Ol\'ah, Kriszti\'an Vida, Levente Kriskovics, Zsolt K\H{o}v\'ari

arxiv:1309.0684 v1 · 2013-09-03 · 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{QEHW67VQHZAT4W4SXMMWJQGRZM}

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	2026-05-18T01:47:50.383434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

810f6f7eb03e413e5b92bb1964c0d1cb15884a0e974336afdf6179b3c88e6111

Aliases

arxiv: 1309.0684 · arxiv_version: 1309.0684v1 · doi: 10.48550/arxiv.1309.0684 · pith_short_12: QEHW67VQHZAT · pith_short_16: QEHW67VQHZAT4W4S · pith_short_8: QEHW67VQ

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/QEHW67VQHZAT4W4SXMMWJQGRZM \
  | 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: 810f6f7eb03e413e5b92bb1964c0d1cb15884a0e974336afdf6179b3c88e6111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7072d851cca60b866bdba0540a46831b49096745ddde6af873552aebced772f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-03T14:02:06Z",
    "title_canon_sha256": "468a7cb2a3c5b015cbf3b6189a72c2248454ec37f8072994592d4e646ca8c747"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0684",
    "kind": "arxiv",
    "version": 1
  }
}