Pith Number

pith:YI45635W

pith:2017:YI45635WMSM4EGY2ZZRZKMAUHS

not attested not anchored not stored refs pending

Period Variations for the Cepheid VZ Cyg

Clifton D. Laney, Joseph E. Rodriguez, Joshua Pepper, Keivan G. Stassun, Krittanon Sirorattanakul, Mark Wells, Scott Engle

arxiv:1711.03017 v1 · 2017-11-08 · 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{YI45635WMSM4EGY2ZZRZKMAUHS}

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	2026-05-18T00:31:01.066236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c239df6fb66499c21b1ace639530143c9e148ddc52e38a364f0a12a142353efd

Aliases

arxiv: 1711.03017 · arxiv_version: 1711.03017v1 · doi: 10.48550/arxiv.1711.03017 · pith_short_12: YI45635WMSM4 · pith_short_16: YI45635WMSM4EGY2 · pith_short_8: YI45635W

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/YI45635WMSM4EGY2ZZRZKMAUHS \
  | 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: c239df6fb66499c21b1ace639530143c9e148ddc52e38a364f0a12a142353efd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3759b5a65f7acc141861eb15c76f0ff15a1d1301359bf154251c89be2650df73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-08T15:35:20Z",
    "title_canon_sha256": "d7a01e51105a0422aaf3b102df9f840051322d35548f59521490c7078bcebfa1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03017",
    "kind": "arxiv",
    "version": 1
  }
}