Pith Number

pith:JCDT2RL7

pith:2019:JCDT2RL7KWIZI7GFRRQEETXPQC

not attested not anchored not stored refs pending

Discovery of tidally-perturbed pulsations in the eclipsing binary U Gru: a pioneering system for tidal asteroseismology

Andrew Tkachenko, Cole Johnston, Conny Aerts, David E. Mkrtichian, Dominic M. Bowman, Khemsinan Gunsriwiwat

arxiv:1908.08468 v1 · 2019-08-22 · 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{JCDT2RL7KWIZI7GFRRQEETXPQC}

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	2026-07-05T00:09:03.406134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48873d457f5591947cc58c60424eef809241ebd5fa59a891163c26fedb3c1c8b

Aliases

arxiv: 1908.08468 · arxiv_version: 1908.08468v1 · doi: 10.48550/arxiv.1908.08468 · pith_short_12: JCDT2RL7KWIZ · pith_short_16: JCDT2RL7KWIZI7GF · pith_short_8: JCDT2RL7

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/JCDT2RL7KWIZI7GFRRQEETXPQC \
  | 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: 48873d457f5591947cc58c60424eef809241ebd5fa59a891163c26fedb3c1c8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a40f78a997cd2198b15e2078cb2190d9ab02454511f4ed5b36cc30b82d92a983",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-22T15:58:28Z",
    "title_canon_sha256": "11e3464f9872e0eb3e544572b9c2a628c6af79b2809a6bdac612b9559fc7a10e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08468",
    "kind": "arxiv",
    "version": 1
  }
}