Pith Number

pith:ZG6C4XWZ

pith:2015:ZG6C4XWZZ3XJR7E2ODTZXSRT2A

not attested not anchored not stored refs pending

Peaceman-Rachford splitting for a class of nonconvex optimization problems

Guoyin Li, Tianxiang Liu, Ting Kei Pong

arxiv:1507.00887 v3 · 2015-07-03 · math.OC · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZG6C4XWZZ3XJR7E2ODTZXSRT2A}

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	2026-05-18T00:53:12.592502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9bc2e5ed9ceee98fc9a70e79bca33d039b76d468f8e092981fcdb5753788b4c

Aliases

arxiv: 1507.00887 · arxiv_version: 1507.00887v3 · doi: 10.48550/arxiv.1507.00887 · pith_short_12: ZG6C4XWZZ3XJ · pith_short_16: ZG6C4XWZZ3XJR7E2 · pith_short_8: ZG6C4XWZ

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/ZG6C4XWZZ3XJR7E2ODTZXSRT2A \
  | 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: c9bc2e5ed9ceee98fc9a70e79bca33d039b76d468f8e092981fcdb5753788b4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1447932ede1241ec9c850e88a12db2077576c6eb86f6a09c2926e057c7cf1fde",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-03T12:27:09Z",
    "title_canon_sha256": "a43c1c8bc92990dccf3de16a3ca3ea454aa7295e223d271b88d115e9eaead0c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00887",
    "kind": "arxiv",
    "version": 3
  }
}