Pith Number

pith:KPK7FF4H

pith:2021:KPK7FF4HAI4ST3KQZVKJU2TWTE

not attested not anchored not stored refs pending

Uncloaking hidden repeating fast radio bursts with unsupervised machine learning

Alvina Y. L. On, Bo Han Chen, Daryl Joe D. Santos, Seong Jin Kim, Tetsuya Hashimoto, Tiger Y.-Y. Hsiao, Ting-Yi Lu, Tomotsugu Goto

arxiv:2110.09440 v1 · 2021-10-18 · astro-ph.HE · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPK7FF4HAI4ST3KQZVKJU2TWTE}

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	2026-07-05T03:23:56.750763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53d5f29787023929ed50cd549a6a7699337fa43fdb4f9b6dbf45391ddcd5da71

Aliases

arxiv: 2110.09440 · arxiv_version: 2110.09440v1 · doi: 10.48550/arxiv.2110.09440 · pith_short_12: KPK7FF4HAI4S · pith_short_16: KPK7FF4HAI4ST3KQ · pith_short_8: KPK7FF4H

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/KPK7FF4HAI4ST3KQZVKJU2TWTE \
  | 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: 53d5f29787023929ed50cd549a6a7699337fa43fdb4f9b6dbf45391ddcd5da71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "373d0787915af30b6f975ddb69e542e6b186d1902ed5754a59c8817c95301bff",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-10-18T16:22:15Z",
    "title_canon_sha256": "a72b06112a4ec34902444174322faf59ca5a5806df89380315694662ab50119c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09440",
    "kind": "arxiv",
    "version": 1
  }
}