Pith Number

pith:VU4HAPPR

pith:2020:VU4HAPPRZTAVK5THAFGEXDOZ5I

not attested not anchored not stored refs pending

The Devil is the Classifier: Investigating Long Tail Relation Classification with Decoupling Analysis

Haiyang Yu, Huajun Chen, Ningyu Zhang, Shumin Deng, Yantao Jia, Zonggang Yuan

arxiv:2009.07022 v1 · 2020-09-15 · cs.LG · cs.CL · cs.DB · cs.IR · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VU4HAPPRZTAVK5THAFGEXDOZ5I}

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	2026-07-05T05:35:40.656845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad38703df1ccc1557667014c4b8dd9ea349c7daab767da72f037ad8fc3d0777c

Aliases

arxiv: 2009.07022 · arxiv_version: 2009.07022v1 · doi: 10.48550/arxiv.2009.07022 · pith_short_12: VU4HAPPRZTAV · pith_short_16: VU4HAPPRZTAVK5TH · pith_short_8: VU4HAPPR

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/VU4HAPPRZTAVK5THAFGEXDOZ5I \
  | 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: ad38703df1ccc1557667014c4b8dd9ea349c7daab767da72f037ad8fc3d0777c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d01b237dbd276035f6fc040ba5298bbb0dc6cbf7c2de53bc73e4fe4d0f0dacd2",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.DB",
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-09-15T12:47:00Z",
    "title_canon_sha256": "ef45f92333dfc843a24be098b7fc93ca72d35e8b3bfc99444717750b9bb7d424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07022",
    "kind": "arxiv",
    "version": 1
  }
}