Pith Number

pith:S4QXUEYP

pith:2014:S4QXUEYPG2HRE5T36AOVRHUZMB

not attested not anchored not stored refs pending

Kepler and the Long Period Variables

Donald Walter, Erich Hartig, Jennifer Cash, Kenneth Hinkle, Kenneth Mighell, Thomas Lebzelter

arxiv:1408.4323 v1 · 2014-08-19 · 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{S4QXUEYPG2HRE5T36AOVRHUZMB}

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	2026-05-18T01:42:17.351753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97217a130f368f12767bf01d589e996069646baf12f174e92341d0c9a1b99bd4

Aliases

arxiv: 1408.4323 · arxiv_version: 1408.4323v1 · doi: 10.48550/arxiv.1408.4323 · pith_short_12: S4QXUEYPG2HR · pith_short_16: S4QXUEYPG2HRE5T3 · pith_short_8: S4QXUEYP

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/S4QXUEYPG2HRE5T36AOVRHUZMB \
  | 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: 97217a130f368f12767bf01d589e996069646baf12f174e92341d0c9a1b99bd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ccd8ad62f358945bfdd45918e434a9b666484748f944173f0fd91c45ee6087e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-19T13:18:49Z",
    "title_canon_sha256": "d899584039abb50c0116338799fe2aa13e99e8cf1f7aa4f41cba1c26c975a1cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4323",
    "kind": "arxiv",
    "version": 1
  }
}