Pith Number

pith:TPHAY62E

pith:2018:TPHAY62EFA6RZ4BS5GYHFJAR2Z

not attested not anchored not stored refs pending

On improving the approximation ratio of the r-shortest common superstring problem

Marie Gasparoux, Mathieu Raffinot, Raluca Uricaru, Tristan Braquelaire

arxiv:1805.00060 v1 · 2018-04-30 · 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{TPHAY62EFA6RZ4BS5GYHFJAR2Z}

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	2026-05-18T00:17:10.656026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bce0c7b44283d1cf032e9b072a411d65d10b2bf1af7056cebcfd8b2573a2441

Aliases

arxiv: 1805.00060 · arxiv_version: 1805.00060v1 · doi: 10.48550/arxiv.1805.00060 · pith_short_12: TPHAY62EFA6R · pith_short_16: TPHAY62EFA6RZ4BS · pith_short_8: TPHAY62E

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/TPHAY62EFA6RZ4BS5GYHFJAR2Z \
  | 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: 9bce0c7b44283d1cf032e9b072a411d65d10b2bf1af7056cebcfd8b2573a2441

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c40661ce83f4d4e9a51a459eed7e48540c15f5f044f4de3083be7172f1e2dfe4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-04-30T19:00:22Z",
    "title_canon_sha256": "73d2cf709219b82c2ca6da503a36431b89b8a935b0f5cb929864281c35d4535e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00060",
    "kind": "arxiv",
    "version": 1
  }
}