Pith Number

pith:L4E4RT5Z

pith:2021:L4E4RT5ZELDBP5Q6ZPCJ6UNCQB

not attested not anchored not stored refs pending

Early-fusion Based Pulsar Identification with Smart Under-sampling

Bao-Qiang Lao, Chun-Ling Xu, LingYao Chen, Shichuan Zhang, Tao An, XiangCong Kong, Xiaoying Zheng, YueYing Zhou

arxiv:2107.03071 v3 · 2021-07-07 · 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{L4E4RT5ZELDBP5Q6ZPCJ6UNCQB}

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	2026-07-05T03:38:22.661128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f09c8cfb922c617f61ecbc49f51a2804e358102426d1b9f67543cf12e4f0d24

Aliases

arxiv: 2107.03071 · arxiv_version: 2107.03071v3 · doi: 10.48550/arxiv.2107.03071 · pith_short_12: L4E4RT5ZELDB · pith_short_16: L4E4RT5ZELDBP5Q6 · pith_short_8: L4E4RT5Z

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/L4E4RT5ZELDBP5Q6ZPCJ6UNCQB \
  | 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: 5f09c8cfb922c617f61ecbc49f51a2804e358102426d1b9f67543cf12e4f0d24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "accc9aedec9a72d7b5b2b9311439d2798c62a91c5bdc4867fc0870f9e7b2ebda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-07-07T08:19:54Z",
    "title_canon_sha256": "70b4b9c274c3795020de6a53d9cedf985a22120163168ad8319fe9f96c7d7ab2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03071",
    "kind": "arxiv",
    "version": 3
  }
}