Pith Number

pith:U35IEQFX

pith:2018:U35IEQFXP65RWYOMYAOYOYLNWU

not attested not anchored not stored refs pending

A Machine Learning Based Morphological Classification of 14,245 Radio AGNs Selected From The Best-Heckman Sample

Chengze Liu, Chenxi Shan, Dan Hu, Haiguang Xu, Jie Zhu, Jinjin Li, Liyi Gu, Weitian Li, Xiangping Wu, Zhenghao Zhu, Zhixian Ma

arxiv:1812.07190 v2 · 2018-12-18 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U35IEQFXP65RWYOMYAOYOYLNWU}

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	2026-05-17T23:53:23.457584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6fa8240b77fbb1b61ccc01d87616db50c2ac0acac173e09e132726edba4cc78

Aliases

arxiv: 1812.07190 · arxiv_version: 1812.07190v2 · doi: 10.48550/arxiv.1812.07190 · pith_short_12: U35IEQFXP65R · pith_short_16: U35IEQFXP65RWYOM · pith_short_8: U35IEQFX

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/U35IEQFXP65RWYOMYAOYOYLNWU \
  | 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: a6fa8240b77fbb1b61ccc01d87616db50c2ac0acac173e09e132726edba4cc78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "864e069908a6c78b83f2bcc61634a0c5efa49d2a110c8e19a53f22e98157ccf3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-18T06:27:03Z",
    "title_canon_sha256": "196915e1ef3b3de58a5182a7a680ffe8311988f239de414f94e96eb8d8973ed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07190",
    "kind": "arxiv",
    "version": 2
  }
}