Pith Number

pith:HYYZRDU6

pith:2012:HYYZRDU6O5EU4S5X4JQHWCC6BA

not attested not anchored not stored refs pending

Low-frequency variations of unknown origin in the Kepler Delta Scuti star KIC 5988140 = HD 188774

A. Derekas, A. Tkachenko, C. Aerts, H. Lehmann, J. C. Smith, J. Debosscher, J. D. Twicken, N. Kochiashvili, P. G. Beck, P. Lampens, P. Tenenbaum, S. Bloemen

arxiv:1210.8432 v1 · 2012-10-31 · 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{HYYZRDU6O5EU4S5X4JQHWCC6BA}

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	2026-05-18T01:53:28.679847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e31988e9e77494e4bb7e2607b085e08293469c8714e91d5b51f353e38a50d36

Aliases

arxiv: 1210.8432 · arxiv_version: 1210.8432v1 · doi: 10.48550/arxiv.1210.8432 · pith_short_12: HYYZRDU6O5EU · pith_short_16: HYYZRDU6O5EU4S5X · pith_short_8: HYYZRDU6

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/HYYZRDU6O5EU4S5X4JQHWCC6BA \
  | 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: 3e31988e9e77494e4bb7e2607b085e08293469c8714e91d5b51f353e38a50d36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20ccf7d8b05dd792449c6a22fe2035de8a4b9e900df3ede32b994c969478e9f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-31T18:36:07Z",
    "title_canon_sha256": "da81a25de04dac6d25b0d8d0b90de09ba34fbc5f696f1f10f3fdba66a1bc25ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8432",
    "kind": "arxiv",
    "version": 1
  }
}