Pith Number

pith:2ZQLYNX3

pith:2019:2ZQLYNX3RXHIPMPUSNHRUX5WTQ

not attested not anchored not stored refs pending

One new variable candidate and six nonvariable stars at the ZZ Ceti instability strip

\'A. S\'odor, Cs. Kalup, Zs. Bogn\'ar

arxiv:1902.03165 v1 · 2019-02-08 · 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{2ZQLYNX3RXHIPMPUSNHRUX5WTQ}

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	2026-05-17T23:48:30.569382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d660bc36fb8dce87b1f4934f1a5fb69c09443dc2e1d633053af6f0add7bc0052

Aliases

arxiv: 1902.03165 · arxiv_version: 1902.03165v1 · doi: 10.48550/arxiv.1902.03165 · pith_short_12: 2ZQLYNX3RXHI · pith_short_16: 2ZQLYNX3RXHIPMPU · pith_short_8: 2ZQLYNX3

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/2ZQLYNX3RXHIPMPUSNHRUX5WTQ \
  | 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: d660bc36fb8dce87b1f4934f1a5fb69c09443dc2e1d633053af6f0add7bc0052

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4445e47183d896cde70d9711133dcfd61d44723b352606ba1e861ad3bb0ecc25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-08T16:11:09Z",
    "title_canon_sha256": "1c1c551fe0885ad91692525b177402f6c191cb0e33af9522d3be8ee635740b31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03165",
    "kind": "arxiv",
    "version": 1
  }
}