pith. sign in
Pith Number

pith:22JWI7YB

pith:2014:22JWI7YBD7BM6DGSD775RTQH3P
not attested not anchored not stored refs pending

Orbital periods of cataclysmic variables identified by the SDSS. IX. NTT photometry of eight eclipsing and three magnetic systems

B. T. Gaensicke, C. M. Copperwheat, C. Tappert, John Southworth

arxiv:1411.2385 v1 · 2014-11-10 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{22JWI7YBD7BM6DGSD775RTQH3P}

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 2026-05-18T01:41:33.708125Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d693647f011fc2cf0cd21fffd8ce07dbd1eac45cd59d78045c4eb448b98ceb45

Aliases

arxiv: 1411.2385 · arxiv_version: 1411.2385v1 · doi: 10.48550/arxiv.1411.2385 · pith_short_12: 22JWI7YBD7BM · pith_short_16: 22JWI7YBD7BM6DGS · pith_short_8: 22JWI7YB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/22JWI7YBD7BM6DGSD775RTQH3P \
  | 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: d693647f011fc2cf0cd21fffd8ce07dbd1eac45cd59d78045c4eb448b98ceb45
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "907b7adc6c4c5a7ffdc52fadacbd598014a31325e78a7b7e1097a9830852a4fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-11-10T11:25:53Z",
    "title_canon_sha256": "fbf8503c0a5a8f7df5d0adc8e59e94ec9bae5e7322182bc990ad32024c8ee0ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2385",
    "kind": "arxiv",
    "version": 1
  }
}