Pith Number

pith:PUMK4HJP

pith:2018:PUMK4HJPVZBPJ7F4MAS4DNA6IB

not attested not anchored not stored refs pending

LCO observations of a super-critical distorted pulsation in the roAp star J0855 (TYC 2488-1241-1)

Daniel L. Holdsworth, Dominic M. Bowman, Hideyuki Saio, Ramotholo R. Sefako

arxiv:1807.09690 v1 · 2018-07-25 · 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{PUMK4HJPVZBPJ7F4MAS4DNA6IB}

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	2026-05-18T00:08:37.815643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d18ae1d2fae42f4fcbc6025c1b41e4067fda379da694ae33c3e5521b43af574

Aliases

arxiv: 1807.09690 · arxiv_version: 1807.09690v1 · doi: 10.48550/arxiv.1807.09690 · pith_short_12: PUMK4HJPVZBP · pith_short_16: PUMK4HJPVZBPJ7F4 · pith_short_8: PUMK4HJP

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/PUMK4HJPVZBPJ7F4MAS4DNA6IB \
  | 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: 7d18ae1d2fae42f4fcbc6025c1b41e4067fda379da694ae33c3e5521b43af574

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0db47547cea08f310fb6105fe16e2150292e006e4e763e418cd79a726a97f157",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-25T16:10:49Z",
    "title_canon_sha256": "8dc09225428e2a55458239df6c9cad17aab9be71df92940ad890027a2efb5a7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09690",
    "kind": "arxiv",
    "version": 1
  }
}