Pith Number

pith:ZNGDTCTV

pith:2017:ZNGDTCTVSAABGB5ZQVRWCTM6CN

not attested not anchored not stored refs pending

A Family of Approximation Algorithms for the Maximum Duo-Preservation String Mapping Problem

Bart{\l}omiej Dudek, Pawe{\l} Gawrychowski, Piotr Ostropolski-Nalewaja

arxiv:1702.02405 v2 · 2017-02-08 · 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{ZNGDTCTVSAABGB5ZQVRWCTM6CN}

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	2026-05-18T00:43:26.807357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb4c398a7590001307b98563614d9e13663701edb6461256258b6c727a50c3ea

Aliases

arxiv: 1702.02405 · arxiv_version: 1702.02405v2 · doi: 10.48550/arxiv.1702.02405 · pith_short_12: ZNGDTCTVSAAB · pith_short_16: ZNGDTCTVSAABGB5Z · pith_short_8: ZNGDTCTV

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/ZNGDTCTVSAABGB5ZQVRWCTM6CN \
  | 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: cb4c398a7590001307b98563614d9e13663701edb6461256258b6c727a50c3ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03e64d9385326f77d94dd89224017494449c5cf502a37f7f711245904df84d78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-02-08T12:46:12Z",
    "title_canon_sha256": "3f3ded29662d27a0246d4485024898ec4f73b2a17944ee3f71773ff9efc0d695"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02405",
    "kind": "arxiv",
    "version": 2
  }
}