Pith Number

pith:36O3AAJD

pith:2013:36O3AAJDBEZQEP4MCVUMGGL7VL

not attested not anchored not stored refs pending

Conic Optimization via Operator Splitting and Homogeneous Self-Dual Embedding

Brendan O'Donoghue, Eric Chu, Neal Parikh, Stephen Boyd

arxiv:1312.3039 v2 · 2013-12-11 · 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{36O3AAJDBEZQEP4MCVUMGGL7VL}

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	2026-05-18T01:10:33.733181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df9db001230933023f8c1568c3197faacafd137a87374b0367df7ff87a5624ed

Aliases

arxiv: 1312.3039 · arxiv_version: 1312.3039v2 · doi: 10.48550/arxiv.1312.3039 · pith_short_12: 36O3AAJDBEZQ · pith_short_16: 36O3AAJDBEZQEP4M · pith_short_8: 36O3AAJD

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/36O3AAJDBEZQEP4MCVUMGGL7VL \
  | 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: df9db001230933023f8c1568c3197faacafd137a87374b0367df7ff87a5624ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cafb2957b9b81879ce4ed769c020e5809b682dcc40d840d857e175048a492484",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-12-11T05:33:37Z",
    "title_canon_sha256": "9e15a9ded8620ff4922ad0280d0200c114defa65f0a1b91311d175967575defe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3039",
    "kind": "arxiv",
    "version": 2
  }
}