Pith Number

pith:U4PVKTS5

pith:2022:U4PVKTS5PNCGSWNDGJBKWDBAKN

not attested not anchored not stored refs pending

Contrastive Multi-view Hyperbolic Hierarchical Clustering

Bing Bai, Fangfei Lin, Kun Bai, Peng Zhao, Yazhou Ren, Zenglin Xu

arxiv:2205.02618 v1 · 2022-05-05 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4PVKTS5PNCGSWNDGJBKWDBAKN}

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	2026-07-05T04:20:39.373150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a71f554e5d7b446959a33242ab0c20535d435aea74f31cbe8765ab2ab89e1096

Aliases

arxiv: 2205.02618 · arxiv_version: 2205.02618v1 · doi: 10.48550/arxiv.2205.02618 · pith_short_12: U4PVKTS5PNCG · pith_short_16: U4PVKTS5PNCGSWND · pith_short_8: U4PVKTS5

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/U4PVKTS5PNCGSWNDGJBKWDBAKN \
  | 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: a71f554e5d7b446959a33242ab0c20535d435aea74f31cbe8765ab2ab89e1096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a34fa9e5aafc2981db2713dd2a5adc7246daa806f739fc03f9dfb81db9760262",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-05-05T12:56:55Z",
    "title_canon_sha256": "e2338360877ea88d408f1e98917670798a77c451d4c51fd2be65fcb882f7a174"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.02618",
    "kind": "arxiv",
    "version": 1
  }
}