Pith Number

pith:4J5BEF3X

pith:2012:4J5BEF3XZ4LMQQEDGWHJRLSK7U

not attested not anchored not stored refs pending

Discretization of a matrix in the problem of quadratic functional binary minimization

Boris Kryzhanovsky, Magomed Malsagov, Mikhail Kryzhanovsky

arxiv:1205.0732 v1 · 2012-05-03 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4J5BEF3XZ4LMQQEDGWHJRLSK7U}

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	2026-05-18T03:56:25.117842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e27a121777cf16c84083358e98ae4afd1ef49448ef57ac57d2263d271d760492

Aliases

arxiv: 1205.0732 · arxiv_version: 1205.0732v1 · doi: 10.48550/arxiv.1205.0732 · pith_short_12: 4J5BEF3XZ4LM · pith_short_16: 4J5BEF3XZ4LMQQED · pith_short_8: 4J5BEF3X

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/4J5BEF3XZ4LMQQEDGWHJRLSK7U \
  | 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: e27a121777cf16c84083358e98ae4afd1ef49448ef57ac57d2263d271d760492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2da4a7f5a8a8e63590936417f9210344bfc3ec53ef86c3d39dd48a6fd5696a73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2012-05-03T15:15:21Z",
    "title_canon_sha256": "2ee81b8510557b41c6d619a65e21b1a0c291d923a3a37d746ac4bf7cd3f2bc0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0732",
    "kind": "arxiv",
    "version": 1
  }
}