Pith Number

pith:LXD4C7ZE

pith:2016:LXD4C7ZEAHX6FSHC42GS5RYHSJ

not attested not anchored not stored refs pending

Compact Linearization for Binary Quadratic Problems subject to Assignment Constraints

Sven Mallach

arxiv:1610.05375 v2 · 2016-10-17 · 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{LXD4C7ZEAHX6FSHC42GS5RYHSJ}

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	2026-05-18T01:00:18.917754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dc7c17f2401efe2c8e2e68d2ec70792598927ad3793563e37dd9a8baae24b10

Aliases

arxiv: 1610.05375 · arxiv_version: 1610.05375v2 · doi: 10.48550/arxiv.1610.05375 · pith_short_12: LXD4C7ZEAHX6 · pith_short_16: LXD4C7ZEAHX6FSHC · pith_short_8: LXD4C7ZE

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/LXD4C7ZEAHX6FSHC42GS5RYHSJ \
  | 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: 5dc7c17f2401efe2c8e2e68d2ec70792598927ad3793563e37dd9a8baae24b10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63de535dbab1d18cbb17133b4c183b5ea1f9a1e614adbfe86bd131b92c3846bf",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-10-17T23:14:32Z",
    "title_canon_sha256": "0c4e959329d53963dd3aa1e0283d623d0284c351235dc5aa39ad902e5657e47b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05375",
    "kind": "arxiv",
    "version": 2
  }
}