Pith Number

pith:TGK7ZWBE

pith:2016:TGK7ZWBEOT7GCSWBV5V2XCKWOP

not attested not anchored not stored refs pending

The Parameterized Complexity of the Minimum Shared Edges Problem

Manuel Sorge, Rolf Niedermeier, Stefan Kratsch, Till Fluschnik

arxiv:1602.01739 v1 · 2016-02-04 · 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{TGK7ZWBEOT7GCSWBV5V2XCKWOP}

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	2026-05-18T01:21:18.225247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9995fcd82474fe614ac1af6bab895673cccce269b2876530a1ca5b1e338d9b9c

Aliases

arxiv: 1602.01739 · arxiv_version: 1602.01739v1 · doi: 10.48550/arxiv.1602.01739 · pith_short_12: TGK7ZWBEOT7G · pith_short_16: TGK7ZWBEOT7GCSWB · pith_short_8: TGK7ZWBE

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/TGK7ZWBEOT7GCSWBV5V2XCKWOP \
  | 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: 9995fcd82474fe614ac1af6bab895673cccce269b2876530a1ca5b1e338d9b9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2da7db95e6f23c3bea731afb32e2a4577cf5c0d738b00c563e6ec7f650ec5cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-02-04T16:40:49Z",
    "title_canon_sha256": "51014cdf7d853e100fcd9468dad4f4cd5eafe2007f7ad7bbf9b5f6eda24cde06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01739",
    "kind": "arxiv",
    "version": 1
  }
}