Pith Number

pith:2FEAFXLJ

pith:2015:2FEAFXLJ7NMC64KXDH5DGCNJQ3

not attested not anchored not stored refs pending

On the Greedy Algorithm for the Shortest Common Superstring Problem with Reversals

Gabriele Fici, Jakub Radoszewski, Tomasz Kociumaka, Tomasz Wale\'n, Wojciech Rytter

arxiv:1511.08431 v2 · 2015-11-26 · 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{2FEAFXLJ7NMC64KXDH5DGCNJQ3}

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	2026-05-18T01:25:11.004422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d14802dd69fb582f715719fa3309a986d93095adb42566ae61dba38f371fc4d1

Aliases

arxiv: 1511.08431 · arxiv_version: 1511.08431v2 · doi: 10.48550/arxiv.1511.08431 · pith_short_12: 2FEAFXLJ7NMC · pith_short_16: 2FEAFXLJ7NMC64KX · pith_short_8: 2FEAFXLJ

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/2FEAFXLJ7NMC64KXDH5DGCNJQ3 \
  | 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: d14802dd69fb582f715719fa3309a986d93095adb42566ae61dba38f371fc4d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cf9d59f29c2d25538c8e31a5fa3b06cde44743309a21f48672874afa2b2fb2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-11-26T15:55:50Z",
    "title_canon_sha256": "7bcce64da0b297126009bf1f5018a84f2f0e344d6deb4072427e06129c97d2bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08431",
    "kind": "arxiv",
    "version": 2
  }
}