Pith Number

pith:HQVJG6F5

pith:2016:HQVJG6F56FSGROUJ5ECFZAEHSB

not attested not anchored not stored refs pending

Robust Matrix Regression

Fengyuan Zhu, Hang Zhang, Shixin Li

arxiv:1611.04686 v1 · 2016-11-15 · cs.LG

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T00:58:50.182026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c2a9378bdf16468ba89e9045c8087906dab73743b3ac2ca3a60f8896f7c5e4d

Aliases

arxiv: 1611.04686 · arxiv_version: 1611.04686v1 · doi: 10.48550/arxiv.1611.04686

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/HQVJG6F56FSGROUJ5ECFZAEHSB \
  | 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: 3c2a9378bdf16468ba89e9045c8087906dab73743b3ac2ca3a60f8896f7c5e4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c5e1185e6ac682eaf55fc10fc9d04bf189b9582f05971788f8489706fc2c9b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-11-15T03:15:46Z",
    "title_canon_sha256": "59ba58a4cc1bbe826608e624d94f2104a5d947be946d575c3c8a0870aeb036be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04686",
    "kind": "arxiv",
    "version": 1
  }
}