Pith Number

pith:HPZNMGQC

pith:2014:HPZNMGQCQTXRNW6OY7KKPUPTW3

not attested not anchored not stored refs pending

Finitely convergent algorithm for nonconvex inequality problems

C.H. Jeffrey Pang

arxiv:1405.7280 v2 · 2014-05-28 · 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{HPZNMGQCQTXRNW6OY7KKPUPTW3}

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	2026-05-18T02:46:05.903985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf2d61a0284ef16dbcec7d4a7d1f3b6ef69b50d971c9e965fb8989fdd450b82

Aliases

arxiv: 1405.7280 · arxiv_version: 1405.7280v2 · doi: 10.48550/arxiv.1405.7280 · pith_short_12: HPZNMGQCQTXR · pith_short_16: HPZNMGQCQTXRNW6O · pith_short_8: HPZNMGQC

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/HPZNMGQCQTXRNW6OY7KKPUPTW3 \
  | 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: 3bf2d61a0284ef16dbcec7d4a7d1f3b6ef69b50d971c9e965fb8989fdd450b82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e8e3e3457015edc1dfb30d36c262dfcfd6f1b689a0dbbdb21a82926c03406da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-05-28T15:49:26Z",
    "title_canon_sha256": "aff6c77fa8d30662d098aa5ac0bc182746459660eac9b8f0a5ce8bf82aacd3c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7280",
    "kind": "arxiv",
    "version": 2
  }
}