Pith Number

pith:NEDCA3RN

pith:2012:NEDCA3RNGI7TBAA7LC6KECX4CL

not attested not anchored not stored refs pending

An Algorithm to Solve Polyhedral Convex Set Optimization Problems

Andreas L\"ohne, Carola Schrage

arxiv:1210.0729 v2 · 2012-10-02 · 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{NEDCA3RNGI7TBAA7LC6KECX4CL}

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	2026-05-18T02:50:58.866284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6906206e2d323f30801f58bca20afc12c2b429e705ff59065af678f261712a34

Aliases

arxiv: 1210.0729 · arxiv_version: 1210.0729v2 · doi: 10.48550/arxiv.1210.0729 · pith_short_12: NEDCA3RNGI7T · pith_short_16: NEDCA3RNGI7TBAA7 · pith_short_8: NEDCA3RN

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/NEDCA3RNGI7TBAA7LC6KECX4CL \
  | 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: 6906206e2d323f30801f58bca20afc12c2b429e705ff59065af678f261712a34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af4374f26438ffdcb50a1f74035d67a88d615a8e29c25ea63e08bdba9e276088",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-10-02T10:32:51Z",
    "title_canon_sha256": "8a2d159b57f0a42d105dda6b9635b023fc8ad2a77ac7f9ebfa0e3d0d96541873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0729",
    "kind": "arxiv",
    "version": 2
  }
}