Pith Number

pith:FJHEGLIO

pith:2015:FJHEGLIO7GEI764ME6QJ3CA7VZ

not attested not anchored not stored refs pending

Concave Quadratic Cuts for Mixed-Integer Quadratic Problems

Jaehyun Park, Stephen Boyd

arxiv:1510.06421 v2 · 2015-10-21 · 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{FJHEGLIO7GEI764ME6QJ3CA7VZ}

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	2026-05-18T01:03:40.899743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a4e432d0ef9888ffb8c27a09d881fae54c1b0394759c49f622499ad130d2c05

Aliases

arxiv: 1510.06421 · arxiv_version: 1510.06421v2 · doi: 10.48550/arxiv.1510.06421 · pith_short_12: FJHEGLIO7GEI · pith_short_16: FJHEGLIO7GEI764M · pith_short_8: FJHEGLIO

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/FJHEGLIO7GEI764ME6QJ3CA7VZ \
  | 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: 2a4e432d0ef9888ffb8c27a09d881fae54c1b0394759c49f622499ad130d2c05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59d455feb866a9518bea8dd812c9ef66d5da25915c9c7026f4e91c28e241b332",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-10-21T20:22:52Z",
    "title_canon_sha256": "e8af32dee9c439bc8c4fd3bbe391b269e17a452b4aff1ce1fdc8a13ed19e431a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06421",
    "kind": "arxiv",
    "version": 2
  }
}