Pith Number

pith:CHKQN5H4

pith:2010:CHKQN5H42MNFOIJB5YCAPTQRZ5

not attested not anchored not stored refs pending

Homomorphisms between fuzzy information systems revisited

Ping Zhu, Qiaoyan Wen

arxiv:1002.0908 v1 · 2010-02-04 · 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{CHKQN5H42MNFOIJB5YCAPTQRZ5}

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	2026-05-18T04:09:35.245743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11d506f4fcd31a572121ee0407ce11cf6091a3eca5c648aabc1ff2199960bf0c

Aliases

arxiv: 1002.0908 · arxiv_version: 1002.0908v1 · doi: 10.48550/arxiv.1002.0908 · pith_short_12: CHKQN5H42MNF · pith_short_16: CHKQN5H42MNFOIJB · pith_short_8: CHKQN5H4

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/CHKQN5H42MNFOIJB5YCAPTQRZ5 \
  | 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: 11d506f4fcd31a572121ee0407ce11cf6091a3eca5c648aabc1ff2199960bf0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f12d6f26c2e0f2d595b40c815f4707211992ef8455df27e885cf85fca94cfbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2010-02-04T07:09:46Z",
    "title_canon_sha256": "ade255868824dcb6b498662cce45e74dff3bf0b2c19c02fdce34930f9cc8f319"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0908",
    "kind": "arxiv",
    "version": 1
  }
}