Pith Number

pith:WJOOOVKG

pith:2021:WJOOOVKGH2NO6HXCA6OTZJYBQB

not attested not anchored not stored refs pending

Amplitude and frequency modulation of super-Nyquist frequency from Kepler photometric sampling

St\'ephane Charpinet, Weikai Zong

arxiv:2103.04713 v1 · 2021-03-08 · astro-ph.SR · astro-ph.EP · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJOOOVKGH2NO6HXCA6OTZJYBQB}

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	2026-07-05T02:21:08.723286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b25ce755463e9aef1ee2079d3ca701806bd9a4014d389b77c0fc03f7c7291139

Aliases

arxiv: 2103.04713 · arxiv_version: 2103.04713v1 · doi: 10.48550/arxiv.2103.04713 · pith_short_12: WJOOOVKGH2NO · pith_short_16: WJOOOVKGH2NO6HXC · pith_short_8: WJOOOVKG

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/WJOOOVKGH2NO6HXCA6OTZJYBQB \
  | 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: b25ce755463e9aef1ee2079d3ca701806bd9a4014d389b77c0fc03f7c7291139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40a6f00568d8e46ab03d565888fa6b78efe1fed39bfd05581a0f6c22115d4ed8",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-03-08T12:41:51Z",
    "title_canon_sha256": "1c3396d68b22498ee6c97507a2e2651208c59f60df364a59d5d84dd1152c7792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04713",
    "kind": "arxiv",
    "version": 1
  }
}