Pith Number

pith:JYGSWMLH

pith:2016:JYGSWMLHTDFDU7L63AGXXQGSNK

not attested not anchored not stored refs pending

Knapsack Problems: A Parameterized Point of View

Carolin Albrecht, Eda Yilmaz, Frank Gurski, Jochen Rethmann

arxiv:1611.07724 v1 · 2016-11-23 · cs.CC · 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{JYGSWMLHTDFDU7L63AGXXQGSNK}

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	2026-05-18T00:56:59.997340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e0d2b316798ca3a7d7ed80d7bc0d26a88b6c4ea63323c056dc3569945de9f15

Aliases

arxiv: 1611.07724 · arxiv_version: 1611.07724v1 · doi: 10.48550/arxiv.1611.07724 · pith_short_12: JYGSWMLHTDFD · pith_short_16: JYGSWMLHTDFDU7L6 · pith_short_8: JYGSWMLH

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/JYGSWMLHTDFDU7L63AGXXQGSNK \
  | 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: 4e0d2b316798ca3a7d7ed80d7bc0d26a88b6c4ea63323c056dc3569945de9f15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96d301978ed23cde763ef5496e681dd22e5615fcb1c77b60b6289e12de639e5d",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-11-23T10:23:46Z",
    "title_canon_sha256": "4640d1c81c832331e018d278386d5c888a1f869516e8a9c35fdc366604ee2218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07724",
    "kind": "arxiv",
    "version": 1
  }
}