Pith Number

pith:M6V27VDB

pith:2018:M6V27VDBWXWE37C2NKMRSWMF3X

not attested not anchored not stored refs pending

Combinatorial Preconditioners for Proximal Algorithms on Graphs

Daniel Cremers, Tao Wu, Thomas M\"ollenhoff, Zhenzhang Ye

arxiv:1801.05413 v2 · 2018-01-16 · math.OC · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M6V27VDBWXWE37C2NKMRSWMF3X}

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	2026-05-18T00:22:50.706868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67abafd461b5ec4dfc5a6a99195985ddd57b16e2b559faea1dbf7446fcbf24c9

Aliases

arxiv: 1801.05413 · arxiv_version: 1801.05413v2 · doi: 10.48550/arxiv.1801.05413 · pith_short_12: M6V27VDBWXWE · pith_short_16: M6V27VDBWXWE37C2 · pith_short_8: M6V27VDB

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/M6V27VDBWXWE37C2NKMRSWMF3X \
  | 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: 67abafd461b5ec4dfc5a6a99195985ddd57b16e2b559faea1dbf7446fcbf24c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8bcd834eb01cb71c2867423b10adeca0d43ef1e107ba812c809922218c985ad",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-01-16T18:50:13Z",
    "title_canon_sha256": "e89cb551c12f3f717b262c0970b3b320c04b6b3dc49695abdb71da68f3408598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05413",
    "kind": "arxiv",
    "version": 2
  }
}