Pith Number

pith:Q6J7ANYK

pith:2019:Q6J7ANYKA757WPQIBOQYQDC5LO

not attested not anchored not stored refs pending

Towards Work-Efficient Parallel Parameterized Algorithms

Malte Skambath, Max Bannach, Till Tantau

arxiv:1902.07660 v1 · 2019-02-20 · 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{Q6J7ANYKA757WPQIBOQYQDC5LO}

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	2026-05-17T23:53:07.189060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8793f0370a07fbfb3e080ba1880c5d5b90fff0c0aabfe23d11ae3d1fbc3a671a

Aliases

arxiv: 1902.07660 · arxiv_version: 1902.07660v1 · doi: 10.48550/arxiv.1902.07660 · pith_short_12: Q6J7ANYKA757 · pith_short_16: Q6J7ANYKA757WPQI · pith_short_8: Q6J7ANYK

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/Q6J7ANYKA757WPQIBOQYQDC5LO \
  | 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: 8793f0370a07fbfb3e080ba1880c5d5b90fff0c0aabfe23d11ae3d1fbc3a671a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b482d8692d91c191e4300188b745f1f0359a03b4aefe77d309aef19e76df6f8b",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-02-20T17:16:39Z",
    "title_canon_sha256": "af1890d86b4d30064dd28484e8b1fed76b1bf6a28f8221dd088f2201fc807add"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07660",
    "kind": "arxiv",
    "version": 1
  }
}