Pith Number

pith:QEOYD76S

pith:2018:QEOYD76SJSZOI2QQ3NSSZL5BHI

not attested not anchored not stored refs pending

Relative Pairwise Relationship Constrained Non-negative Matrix Factorisation

Kan Li, Richard Yida Xu, Shuai Jiang

arxiv:1803.02218 v1 · 2018-03-05 · 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{QEOYD76SJSZOI2QQ3NSSZL5BHI}

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	2026-05-17T23:41:18.138983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

811d81ffd24cb2e46a10db652cafa13a3555abc7b8555a861692b7b01ebc16a4

Aliases

arxiv: 1803.02218 · arxiv_version: 1803.02218v1 · doi: 10.48550/arxiv.1803.02218 · pith_short_12: QEOYD76SJSZO · pith_short_16: QEOYD76SJSZOI2QQ · pith_short_8: QEOYD76S

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/QEOYD76SJSZOI2QQ3NSSZL5BHI \
  | 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: 811d81ffd24cb2e46a10db652cafa13a3555abc7b8555a861692b7b01ebc16a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "398c5e88adae39b297cdc6d13f72a9aa0dfd354c5214f3ac68ceaabb15a09794",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-03-05T07:56:50Z",
    "title_canon_sha256": "a0cc7f2e21c1f428f0a05e8f58584a889ebe7cb939bacbc1e593fae2eff70d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02218",
    "kind": "arxiv",
    "version": 1
  }
}