Pith Number

pith:AA6GYNQO

pith:2018:AA6GYNQO3JKSG6FUP4PTNNFQPU

not attested not anchored not stored refs pending

A new exact approach for the Bilevel Knapsack with Interdiction Constraints

Federico Della Croce, Rosario Scatamacchia

arxiv:1811.02822 v2 · 2018-11-07 · cs.GT · 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{AA6GYNQO3JKSG6FUP4PTNNFQPU}

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	2026-05-18T00:01:06.437366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

003c6c360eda552378b47f1f36b4b07d38b4bc966b3910e45a76d202859057c9

Aliases

arxiv: 1811.02822 · arxiv_version: 1811.02822v2 · doi: 10.48550/arxiv.1811.02822 · pith_short_12: AA6GYNQO3JKS · pith_short_16: AA6GYNQO3JKSG6FU · pith_short_8: AA6GYNQO

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/AA6GYNQO3JKSG6FUP4PTNNFQPU \
  | 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: 003c6c360eda552378b47f1f36b4b07d38b4bc966b3910e45a76d202859057c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b38b8d11c494395e613b97642eaa24206d588bf092077606e336f5e21bd5ffb0",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2018-11-07T10:39:13Z",
    "title_canon_sha256": "452ed39b9941ec2d116f6e61ea745133bd589f9b6810814380274a37a5c00583"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02822",
    "kind": "arxiv",
    "version": 2
  }
}