Pith Number

pith:YBJ6NHKE

pith:2016:YBJ6NHKEVAQQ2X32EDP3YA64LY

not attested not anchored not stored refs pending

CoCoA: A General Framework for Communication-Efficient Distributed Optimization

Chenxin Ma, Martin Jaggi, Martin Takac, Michael I. Jordan, Simone Forte, Virginia Smith

arxiv:1611.02189 v2 · 2016-11-07 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBJ6NHKEVAQQ2X32EDP3YA64LY}

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	2026-05-18T00:03:41.894871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c053e69d44a8210d5f7a20dfbc03dc5e24daf915cd7a8456a359699582dd3695

Aliases

arxiv: 1611.02189 · arxiv_version: 1611.02189v2 · doi: 10.48550/arxiv.1611.02189 · pith_short_12: YBJ6NHKEVAQQ · pith_short_16: YBJ6NHKEVAQQ2X32 · pith_short_8: YBJ6NHKE

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/YBJ6NHKEVAQQ2X32EDP3YA64LY \
  | 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: c053e69d44a8210d5f7a20dfbc03dc5e24daf915cd7a8456a359699582dd3695

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d460901fa07f28892d13c741619faaf025771892b5e583b48e71d04eef200487",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-11-07T17:49:49Z",
    "title_canon_sha256": "4d1176802813c69dbc27fb0191009eae70e9fa4798029fab34d37dfda59427f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02189",
    "kind": "arxiv",
    "version": 2
  }
}