Pith Number

pith:CARZHK3J

pith:2015:CARZHK3JPROEBZ7PIRVLQ7XASD

not attested not anchored not stored refs pending

Photometric study and period analysis of the contact binary XZ Leonis

Changqing Luo, Kun Wang, Licai Deng, Xiaobin.Zhang, Yangping Luo

arxiv:1506.05972 v1 · 2015-06-19 · 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{CARZHK3JPROEBZ7PIRVLQ7XASD}

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	2026-05-18T01:31:38.281072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

102393ab697c5c40e7ef446ab87ee090f8bb158ad9cf1ff472dc565dbcf14122

Aliases

arxiv: 1506.05972 · arxiv_version: 1506.05972v1 · doi: 10.48550/arxiv.1506.05972 · pith_short_12: CARZHK3JPROE · pith_short_16: CARZHK3JPROEBZ7P · pith_short_8: CARZHK3J

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/CARZHK3JPROEBZ7PIRVLQ7XASD \
  | 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: 102393ab697c5c40e7ef446ab87ee090f8bb158ad9cf1ff472dc565dbcf14122

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ffbb2f7cad2ec27f5c84682f95d60d8232b84a8810ad14b4527761cfddc5170",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-19T12:29:25Z",
    "title_canon_sha256": "9cfc8a691a7afc67d96ca33d92718aa7fd474b4640258a86ac7e271c92ccf63f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05972",
    "kind": "arxiv",
    "version": 1
  }
}