Pith Number

pith:MCYPA3BY

pith:2018:MCYPA3BYVJQP5I2EPV5B6ETS35

not attested not anchored not stored refs pending

A Randomized Block Coordinate Iterative Regularized Gradient Method for High-dimensional Ill-posed Convex Optimization

Farzad Yousefian, Harshal Kaushik

arxiv:1809.10035 v1 · 2018-09-26 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCYPA3BYVJQP5I2EPV5B6ETS35}

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	2026-05-18T00:04:42.808887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60b0f06c38aa60fea3447d7a1f1272df7dbb0fd5d0d12df0926e876dc368653e

Aliases

arxiv: 1809.10035 · arxiv_version: 1809.10035v1 · doi: 10.48550/arxiv.1809.10035 · pith_short_12: MCYPA3BYVJQP · pith_short_16: MCYPA3BYVJQP5I2E · pith_short_8: MCYPA3BY

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/MCYPA3BYVJQP5I2EPV5B6ETS35 \
  | 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: 60b0f06c38aa60fea3447d7a1f1272df7dbb0fd5d0d12df0926e876dc368653e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b595a5d82140e8aa54407442704cc66044fdd79e39004572a46b748fbcd1a0c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-26T14:49:11Z",
    "title_canon_sha256": "83b887c78e59c3e61c8a752d0c648b016b805c054af2079deae7045460360a19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10035",
    "kind": "arxiv",
    "version": 1
  }
}