Pith Number

pith:32QCFCEX

pith:2017:32QCFCEXJAZOI72JK5KWINWHYW

not attested not anchored not stored refs pending

Generalized Polyhedral Convex Optimization Problems

Jen-Chih Yao, Nguyen Ngoc Luan

arxiv:1709.10227 v1 · 2017-09-29 · 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{32QCFCEXJAZOI72JK5KWINWHYW}

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	2026-05-18T00:34:03.879642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dea02288974832e47f4957556436c7c58af9b99d0020a1007d60d6c408f5c666

Aliases

arxiv: 1709.10227 · arxiv_version: 1709.10227v1 · doi: 10.48550/arxiv.1709.10227 · pith_short_12: 32QCFCEXJAZO · pith_short_16: 32QCFCEXJAZOI72J · pith_short_8: 32QCFCEX

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/32QCFCEXJAZOI72JK5KWINWHYW \
  | 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: dea02288974832e47f4957556436c7c58af9b99d0020a1007d60d6c408f5c666

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e467fa3d2d597d9876119ca87d477b86770c56cd16358b5567ee50679669112e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-09-29T03:43:10Z",
    "title_canon_sha256": "075f649bc2819377a7b4a3d4240485640a1bbad153aa84103c0bb3acc54732ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.10227",
    "kind": "arxiv",
    "version": 1
  }
}