Pith Number

pith:E3FM2J6H

pith:2025:E3FM2J6H77DN4FH6CCIT42UYIU

not attested not anchored not stored refs pending

Revised classification of the CHIME fast radio bursts with machine learning

Hai-Nan Lin, Liang Liu, Li Tang

arxiv:2509.02645 v1 · 2025-09-02 · astro-ph.IM · 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{E3FM2J6H77DN4FH6CCIT42UYIU}

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	2026-07-05T12:03:54.793835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26cacd27c7ffc6de14fe10913e6a9845358f76614574ab6aa9e28defdca17480

Aliases

arxiv: 2509.02645 · arxiv_version: 2509.02645v1 · doi: 10.48550/arxiv.2509.02645 · pith_short_12: E3FM2J6H77DN · pith_short_16: E3FM2J6H77DN4FH6 · pith_short_8: E3FM2J6H

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/E3FM2J6H77DN4FH6CCIT42UYIU \
  | 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: 26cacd27c7ffc6de14fe10913e6a9845358f76614574ab6aa9e28defdca17480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d708b8b6b9ef6a7413e78ca5ff917bcfaa8ab15126abcbcab609289ff5937ff",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-09-02T10:53:14Z",
    "title_canon_sha256": "607eff128d48c388083886ee820b9bc6e2f6ea2ae8d936d2721d405a0a74f5d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02645",
    "kind": "arxiv",
    "version": 1
  }
}