Pith Number

pith:UYM7BV2B

pith:2015:UYM7BV2B2ZFIWARKYOLA7CHC6G

not attested not anchored not stored refs pending

A Note on the Convergence of ADMM for Linearly Constrained Convex Optimization Problems

Defeng Sun, Kim-Chuan Toh, Liang Chen

arxiv:1507.02051 v4 · 2015-07-08 · 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{UYM7BV2B2ZFIWARKYOLA7CHC6G}

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	2026-07-05T01:08:20.104145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a619f0d741d64a8b022ac3960f88e2f1b60c91d2d3602d5130af58c400506d78

Aliases

arxiv: 1507.02051 · arxiv_version: 1507.02051v4 · doi: 10.48550/arxiv.1507.02051 · pith_short_12: UYM7BV2B2ZFI · pith_short_16: UYM7BV2B2ZFIWARK · pith_short_8: UYM7BV2B

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/UYM7BV2B2ZFIWARKYOLA7CHC6G \
  | 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: a619f0d741d64a8b022ac3960f88e2f1b60c91d2d3602d5130af58c400506d78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fa1649989ee5a2f533ffd69db5113eba08713bb1d832bebbb85f693f2ce51b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-08T07:21:43Z",
    "title_canon_sha256": "2bc8f963b0e624e3d17ef5e18ea6e886e8b804549e8e9abe323cbf9d9d477720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02051",
    "kind": "arxiv",
    "version": 4
  }
}