Pith Number

pith:GR4PPD4F

pith:2022:GR4PPD4FC6QI3YZB3L4HVZVJAU

not attested not anchored not stored refs pending

Machine learning classification of CHIME fast radio bursts -- I. Supervised methods

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

arxiv:2210.02463 v2 · 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{GR4PPD4FC6QI3YZB3L4HVZVJAU}

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	2026-07-05T05:20:14.690157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3478f78f8517a08de321daf87ae6a90515883894b9b1b59eb204de6cf8dd5ae8

Aliases

arxiv: 2210.02463 · arxiv_version: 2210.02463v2 · doi: 10.48550/arxiv.2210.02463 · pith_short_12: GR4PPD4FC6QI · pith_short_16: GR4PPD4FC6QI3YZB · pith_short_8: GR4PPD4F

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/GR4PPD4FC6QI3YZB3L4HVZVJAU \
  | 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: 3478f78f8517a08de321daf87ae6a90515883894b9b1b59eb204de6cf8dd5ae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a99d28e934d8fbfc014126f2595b1d6497143c27fdaf3c254f9022770c888fab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-10-05T18:00:01Z",
    "title_canon_sha256": "3de035fda46b63414ec1a007bf2db87c6573ece62c7c40656ff28e9f8d074278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.02463",
    "kind": "arxiv",
    "version": 2
  }
}