Pith Number

pith:I2O4RME5

pith:2022:I2O4RME57JKRF5DBMTD25F2RHY

not attested not anchored not stored refs pending

Multi-class Classification with Fuzzy-feature Observations: Theory and Algorithms

Feng Liu, Guangquan Zhang, Guangzhi Ma, Jie Lu, Zhen Fang

arxiv:2206.04311 v1 · 2022-06-09 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2O4RME57JKRF5DBMTD25F2RHY}

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	2026-07-05T04:50:35.141970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

469dc8b09dfa5512f46164c7ae97513e257bf2c7ac17a4a427c4560f450f8cb1

Aliases

arxiv: 2206.04311 · arxiv_version: 2206.04311v1 · doi: 10.48550/arxiv.2206.04311 · pith_short_12: I2O4RME57JKR · pith_short_16: I2O4RME57JKRF5DB · pith_short_8: I2O4RME5

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/I2O4RME57JKRF5DBMTD25F2RHY \
  | 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: 469dc8b09dfa5512f46164c7ae97513e257bf2c7ac17a4a427c4560f450f8cb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bfc71871bbdb68c7f08ef8cf4557d981efe9b65c40878b9a4eb6b1a1d6327dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-06-09T07:14:00Z",
    "title_canon_sha256": "c92d11bcae9f086114964e93721ff41e20c2facc1ff4df6ff6740e63cb219cd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.04311",
    "kind": "arxiv",
    "version": 1
  }
}