Pith Number

pith:2J62UMF4

pith:2016:2J62UMF4W3DSVKSJ3ORYN6HP72

not attested not anchored not stored refs pending

Avoiding communication in primal and dual block coordinate descent methods

Aditya Devarakonda, James Demmel, Kimon Fountoulakis, Michael W. Mahoney

arxiv:1612.04003 v2 · 2016-12-13 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2J62UMF4W3DSVKSJ3ORYN6HP72}

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	2026-05-18T00:45:14.743669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d27daa30bcb6c72aaa49dba386f8effe82f7246b52d97b2bc74607826fa569ff

Aliases

arxiv: 1612.04003 · arxiv_version: 1612.04003v2 · doi: 10.48550/arxiv.1612.04003 · pith_short_12: 2J62UMF4W3DS · pith_short_16: 2J62UMF4W3DSVKSJ · pith_short_8: 2J62UMF4

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/2J62UMF4W3DSVKSJ3ORYN6HP72 \
  | 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: d27daa30bcb6c72aaa49dba386f8effe82f7246b52d97b2bc74607826fa569ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4608f0a7e9607abeb0f07538c61ed4c34aff262f3e1405421c7fb1872ed3361",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-12-13T02:59:33Z",
    "title_canon_sha256": "8ef73993d294f87331033bf34b597a95a2cffed295adfd50da4348f4f034b702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04003",
    "kind": "arxiv",
    "version": 2
  }
}