Pith Number

pith:KPS6ZADR

pith:2026:KPS6ZADRGN7S7QX6GNPAVUNDIJ

not attested not anchored not stored refs pending

Rational Jacobi Rotations and the Complexity of Approximating Mixed Integer Quadratic Programming

Alberto Del Pia

arxiv:2607.29386 v1 · 2026-07-31 · math.OC · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPS6ZADRGN7S7QX6GNPAVUNDIJ}

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	2026-08-03T01:33:35.641722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e5ec8071337f2fc2fe335e0ad1a342420f03a63fda7afc690dcb207ac41381

Aliases

arxiv: 2607.29386 · arxiv_version: 2607.29386v1 · doi: 10.48550/arxiv.2607.29386 · pith_short_12: KPS6ZADRGN7S · pith_short_16: KPS6ZADRGN7S7QX6 · pith_short_8: KPS6ZADR

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/KPS6ZADRGN7S7QX6GNPAVUNDIJ \
  | 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: 53e5ec8071337f2fc2fe335e0ad1a342420f03a63fda7afc690dcb207ac41381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db242663fec6968515c21bb1dfddb053e1e62335a43491a2c3afef90f6905b66",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-07-31T13:06:43Z",
    "title_canon_sha256": "7b109715be059391e6ec345579d7b9efcf5dcb823c5905659347694dc6157ff0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29386",
    "kind": "arxiv",
    "version": 1
  }
}