Pith Number

pith:2PNZWXCR

pith:2024:2PNZWXCRLUENMYLMZHT6S3WPP5

not attested not anchored not stored refs pending

On the Complexity of Combinatorial Optimization on Fixed Structures

Nimrod Megiddo

arxiv:2411.16963 v1 · 2024-11-25 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PNZWXCRLUENMYLMZHT6S3WPP5}

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	2026-07-05T09:40:25.282682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3db9b5c515d08d6616cc9e7e96ecf7f6bec1c3582e1d71724b85a12356f74f7

Aliases

arxiv: 2411.16963 · arxiv_version: 2411.16963v1 · doi: 10.48550/arxiv.2411.16963 · pith_short_12: 2PNZWXCRLUEN · pith_short_16: 2PNZWXCRLUENMYLM · pith_short_8: 2PNZWXCR

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/2PNZWXCRLUENMYLMZHT6S3WPP5 \
  | 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: d3db9b5c515d08d6616cc9e7e96ecf7f6bec1c3582e1d71724b85a12356f74f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0890444a46110147d9da6f0e096fff41923cacc3fbda50ec59c0199555c8f993",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2024-11-25T22:01:30Z",
    "title_canon_sha256": "2c3ac7585565cefc48106f784a4bb5ae34a21f6f2c5df39718a83ca1cd5fcd5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.16963",
    "kind": "arxiv",
    "version": 1
  }
}