Pith Number

pith:CQO7KQ3H

pith:2019:CQO7KQ3HF35W6WMAJRZ4MH3S4C

not attested not anchored not stored refs pending

A Search for Variable Stars in the Globular Cluster M4 with K2

Gaspar A. Bakos, Joel D. Hartman, Joshua J. Wallace, Waqas Bhatti

arxiv:1908.02373 v1 · 2019-08-06 · 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{CQO7KQ3HF35W6WMAJRZ4MH3S4C}

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	2026-07-05T00:06:52.856201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

141df543672efb6f59804c73c61f72e0a99324f92825076faa3d21bc4a1fc0b3

Aliases

arxiv: 1908.02373 · arxiv_version: 1908.02373v1 · doi: 10.48550/arxiv.1908.02373 · pith_short_12: CQO7KQ3HF35W · pith_short_16: CQO7KQ3HF35W6WMA · pith_short_8: CQO7KQ3H

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/CQO7KQ3HF35W6WMAJRZ4MH3S4C \
  | 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: 141df543672efb6f59804c73c61f72e0a99324f92825076faa3d21bc4a1fc0b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebddd20e2fcc625cc39fd563169d0e0a70e56d7f6b590be6ba2658964aff1a7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-06T21:23:08Z",
    "title_canon_sha256": "609cb0e13c9711d4f78fea5a0e1d78871a646aa935db116b726de869c0df327e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02373",
    "kind": "arxiv",
    "version": 1
  }
}