Pith Number

pith:5LPSWMJZ

pith:2021:5LPSWMJZA2OGMAHPHWL5KNVXJN

not attested not anchored not stored refs pending

Parameterized Algorithms for Diverse Multistage Problems

Leon Kellerhals, Malte Renken, Philipp Zschoche

arxiv:2105.04856 v1 · 2021-05-11 · cs.DS · 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{5LPSWMJZA2OGMAHPHWL5KNVXJN}

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	2026-07-05T02:39:25.095365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eadf2b3139069c6600ef3d97d536b74b6844e15801dca0bbcfbcb502e16bdf72

Aliases

arxiv: 2105.04856 · arxiv_version: 2105.04856v1 · doi: 10.48550/arxiv.2105.04856 · pith_short_12: 5LPSWMJZA2OG · pith_short_16: 5LPSWMJZA2OGMAHP · pith_short_8: 5LPSWMJZ

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/5LPSWMJZA2OGMAHPHWL5KNVXJN \
  | 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: eadf2b3139069c6600ef3d97d536b74b6844e15801dca0bbcfbcb502e16bdf72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef30433aa8ac9fc4d796726b15e4e0428f910bf4ae98a8c27424c4e351757e3f",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-05-11T08:15:14Z",
    "title_canon_sha256": "bb2c8b7063637572826803b383d3bf0332650486cfb41e49abbd03ac470a7765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.04856",
    "kind": "arxiv",
    "version": 1
  }
}