Pith Number

pith:JMYS5RFU

pith:2008:JMYS5RFUA4TWFJUYXESLU6MTDA

not attested not anchored not stored refs pending

Local Search Heuristics For The Multidimensional Assignment Problem

Daniel Karapetyan, Gregory Gutin

arxiv:0806.3258 v6 · 2008-06-19 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMYS5RFUA4TWFJUYXESLU6MTDA}

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	2026-05-18T02:26:39.768002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b312ec4b4072762a698b924ba799318080aefa886c8fa7b7d6a42667a0858c0

Aliases

arxiv: 0806.3258 · arxiv_version: 0806.3258v6 · doi: 10.48550/arxiv.0806.3258 · pith_short_12: JMYS5RFUA4TW · pith_short_16: JMYS5RFUA4TWFJUY · pith_short_8: JMYS5RFU

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/JMYS5RFUA4TWFJUYXESLU6MTDA \
  | 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: 4b312ec4b4072762a698b924ba799318080aefa886c8fa7b7d6a42667a0858c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812c67b78876402e5ba9b62a7bf1664b8fbc15e36ee0d087ec2a4d1fac7f6cf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2008-06-19T18:31:51Z",
    "title_canon_sha256": "da863ad7f9e27abd47159152e51773f77eb9a188c45b1e5cd36e43d8eb2d89de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.3258",
    "kind": "arxiv",
    "version": 6
  }
}