Pith Number

pith:SQP2BOHG

pith:2019:SQP2BOHGD4DSIGWKCETPN7BE24

not attested not anchored not stored refs pending

Quadratically Regularized Subgradient Methods for Weakly Convex Optimization with Weakly Convex Constraints

Qihang Lin, Runchao Ma, Tianbao Yang

arxiv:1908.01871 v3 · 2019-08-05 · math.OC

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\usepackage{pith}
\pithnumber{SQP2BOHGD4DSIGWKCETPN7BE24}

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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.

Cited by

1 paper in Pith

Stochastic optimization over expectation-formulated generalized Stiefel manifold

Receipt and verification

First computed	2026-07-05T05:53:45.450904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

941fa0b8e61f07241aca1126f6fc24d72296bb744d2f2e849e1cc2c12ded46ee

Aliases

arxiv: 1908.01871 · arxiv_version: 1908.01871v3 · doi: 10.48550/arxiv.1908.01871 · pith_short_12: SQP2BOHGD4DS · pith_short_16: SQP2BOHGD4DSIGWK · pith_short_8: SQP2BOHG

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/SQP2BOHGD4DSIGWKCETPN7BE24 \
  | 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: 941fa0b8e61f07241aca1126f6fc24d72296bb744d2f2e849e1cc2c12ded46ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ac0cf8b3b278763d99db2a701d84d9a40d89c022eba61ede988387a5145bea4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-08-05T21:39:24Z",
    "title_canon_sha256": "2db5e93738fa8c362b7328bd3221e63ebad796807da1685e1c67141b1f1287f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01871",
    "kind": "arxiv",
    "version": 3
  }
}