Pith Number

pith:KJJ5C3JU

pith:2022:KJJ5C3JUSJVFOLB6BX7PCX7NRX

not attested not anchored not stored refs pending

Machine learning classification of CHIME fast radio bursts: II. Unsupervised Methods

Bing Zhang, Jia-Ming Zhu-Ge, Jia-Wei Luo

arxiv:2210.02471 v3 · 2022-10-05 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJJ5C3JUSJVFOLB6BX7PCX7NRX}

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	2026-07-05T05:29:39.532675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5253d16d34926a572c3e0dfef15fed8de48b75a9d67e6bf47e3913e1f138395a

Aliases

arxiv: 2210.02471 · arxiv_version: 2210.02471v3 · doi: 10.48550/arxiv.2210.02471 · pith_short_12: KJJ5C3JUSJVF · pith_short_16: KJJ5C3JUSJVFOLB6 · pith_short_8: KJJ5C3JU

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/KJJ5C3JUSJVFOLB6BX7PCX7NRX \
  | 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: 5253d16d34926a572c3e0dfef15fed8de48b75a9d67e6bf47e3913e1f138395a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7625626617b4f7c2349260fa74fe29ed4ecd5fd2188e16e8de97401d8b0ed72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-10-05T18:00:04Z",
    "title_canon_sha256": "d356c312435e8a098ef995c889afd59dbb43c917ecfc28da49e764a6adcae81c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.02471",
    "kind": "arxiv",
    "version": 3
  }
}