Pith Number

pith:W4T443G5

pith:2018:W4T443G54IETNW65NNYPB46F5H

not attested not anchored not stored refs pending

A2BCD: An Asynchronous Accelerated Block Coordinate Descent Algorithm With Optimal Complexity

Fei Feng, Robert Hannah, Wotao Yin

arxiv:1803.05578 v2 · 2018-03-15 · 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{W4T443G54IETNW65NNYPB46F5H}

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	2026-05-18T00:15:36.428071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b727ce6cdde20936dbdd6b70f0f3c5e9ef16f25ffcd54c92627bd071644e3616

Aliases

arxiv: 1803.05578 · arxiv_version: 1803.05578v2 · doi: 10.48550/arxiv.1803.05578 · pith_short_12: W4T443G54IET · pith_short_16: W4T443G54IETNW65 · pith_short_8: W4T443G5

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/W4T443G54IETNW65NNYPB46F5H \
  | 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: b727ce6cdde20936dbdd6b70f0f3c5e9ef16f25ffcd54c92627bd071644e3616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "067e33c43310de6373f751e4a90fbc814f6b4f104e85073c4198f20f4a4923a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-03-15T03:19:13Z",
    "title_canon_sha256": "ca2e4e40086bcae057a733c960b1f977fd2bde1f924456d6aa48f23dabfa420d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05578",
    "kind": "arxiv",
    "version": 2
  }
}