Pith Number

pith:KRSZJG6I

pith:2018:KRSZJG6IPY6W6YGMYPLCNYXDBD

not attested not anchored not stored refs pending

Compact Linearization for Binary Quadratic Problems Comprising Linear Constraints

Sven Mallach

arxiv:1808.08806 v1 · 2018-08-23 · 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{KRSZJG6IPY6W6YGMYPLCNYXDBD}

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	2026-05-18T00:07:13.178957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5465949bc87e3d6f60ccc3d626e2e308fbdcb31271b10227e98429a17adb4f65

Aliases

arxiv: 1808.08806 · arxiv_version: 1808.08806v1 · doi: 10.48550/arxiv.1808.08806 · pith_short_12: KRSZJG6IPY6W · pith_short_16: KRSZJG6IPY6W6YGM · pith_short_8: KRSZJG6I

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/KRSZJG6IPY6W6YGMYPLCNYXDBD \
  | 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: 5465949bc87e3d6f60ccc3d626e2e308fbdcb31271b10227e98429a17adb4f65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9a762be0e9c4ec7cd161de51fca141932725bfaf0ca60733fa19c97b7288d4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-08-23T18:33:36Z",
    "title_canon_sha256": "81d1ed85172e5efa6ea5738fd40f05f2d010a670b816a11cb457e56b665447f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08806",
    "kind": "arxiv",
    "version": 1
  }
}