Pith Number

pith:BMXPMMPF

pith:2017:BMXPMMPFUZIC7XE7RCYG6YMGIZ

not attested not anchored not stored refs pending

Extended Trust-Region Problems with One or Two Balls: Exact Copositive and Lagrangian Relaxations

G. Li, I. M. Bomze, V. Jeyakumar

arxiv:1702.08113 v2 · 2017-02-26 · 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{BMXPMMPFUZIC7XE7RCYG6YMGIZ}

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	2026-05-18T00:33:52.543375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b2ef631e5a6502fdc9f88b06f61864666a9c9cf567c8d143565df64b33be724

Aliases

arxiv: 1702.08113 · arxiv_version: 1702.08113v2 · doi: 10.48550/arxiv.1702.08113 · pith_short_12: BMXPMMPFUZIC · pith_short_16: BMXPMMPFUZIC7XE7 · pith_short_8: BMXPMMPF

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/BMXPMMPFUZIC7XE7RCYG6YMGIZ \
  | 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: 0b2ef631e5a6502fdc9f88b06f61864666a9c9cf567c8d143565df64b33be724

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c50e5a020171fe1559385d765781264ad4c6835c8bf7026f69d65c0e6db68c2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-02-26T23:55:24Z",
    "title_canon_sha256": "19d878df5539f2b5d056dbef38bbef981fbf78cfafdcb88b2d3ed357fbf69d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08113",
    "kind": "arxiv",
    "version": 2
  }
}