Pith Number

pith:EERSEO7R

pith:2019:EERSEO7RDR5AOG3J6USZXA7QSY

not attested not anchored not stored refs pending

A Hybrid Ensemble method for Pulsar Candidate Classification

Jianhua Zheng, Lei Qian, Mingtao Li, Yuanchao Wang, Zhichen Pan

arxiv:1909.05303 v2 · 2019-09-11 · 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{EERSEO7RDR5AOG3J6USZXA7QSY}

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	2026-07-05T00:06:11.036699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2123223bf11c7a071b69f5259b83f0961749b8cb4c3fd1f71d9a75830edefad5

Aliases

arxiv: 1909.05303 · arxiv_version: 1909.05303v2 · doi: 10.48550/arxiv.1909.05303 · pith_short_12: EERSEO7RDR5A · pith_short_16: EERSEO7RDR5AOG3J · pith_short_8: EERSEO7R

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/EERSEO7RDR5AOG3J6USZXA7QSY \
  | 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: 2123223bf11c7a071b69f5259b83f0961749b8cb4c3fd1f71d9a75830edefad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb4ecf2c479b61aaf2b01d63e7768d1d1d325039dcb9bcff2655e6b1dba49145",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-09-11T18:47:43Z",
    "title_canon_sha256": "6c516d89346dfc27545be7721ff4a9a857a9e107025731089eec0cb9dfe5f999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05303",
    "kind": "arxiv",
    "version": 2
  }
}