Pith Number

pith:LDY5FWNP

pith:2017:LDY5FWNPP4GUGSHELVTRUXYOPU

not attested not anchored not stored refs pending

A New Use of Douglas-Rachford Splitting and ADMM for Identifying Infeasible, Unbounded, and Pathological Conic Programs

Ernest K. Ryu, Wotao Yin, Yanli Liu

arxiv:1706.02374 v3 · 2017-06-07 · 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{LDY5FWNPP4GUGSHELVTRUXYOPU}

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	2026-05-18T00:32:50.604181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f1d2d9af7f0d4348e45d671a5f0e7d3a19282f2db9178578af4afa24fe5c90

Aliases

arxiv: 1706.02374 · arxiv_version: 1706.02374v3 · doi: 10.48550/arxiv.1706.02374 · pith_short_12: LDY5FWNPP4GU · pith_short_16: LDY5FWNPP4GUGSHE · pith_short_8: LDY5FWNP

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/LDY5FWNPP4GUGSHELVTRUXYOPU \
  | 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: 58f1d2d9af7f0d4348e45d671a5f0e7d3a19282f2db9178578af4afa24fe5c90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6fd34d8f3d69539eacefbafab9e3cb2cc611e71aa83e9c2db33b8c34d557069",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-06-07T20:35:49Z",
    "title_canon_sha256": "fcafaa1cdd8cedd377d7128eb760d0c23a1b1a49b0411530439a6abfd2fc65f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02374",
    "kind": "arxiv",
    "version": 3
  }
}