Pith Number

pith:GPESQJ6V

pith:2020:GPESQJ6VQ36FWALKNDQCMXB5SE

not attested not anchored not stored refs pending

Approximation algorithm for the Multicovering Problem

Abbass Gorgi, Anand Srivastav, Mohamed Hachimi, Mourad El Ouali

arxiv:2003.06936 v1 · 2020-03-15 · math.CO · 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{GPESQJ6VQ36FWALKNDQCMXB5SE}

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	2026-07-05T00:48:07.865992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33c92827d586fc5b016a68e0265c3d911a821205248a5b7a8b5e68ae48da4e3a

Aliases

arxiv: 2003.06936 · arxiv_version: 2003.06936v1 · doi: 10.48550/arxiv.2003.06936 · pith_short_12: GPESQJ6VQ36F · pith_short_16: GPESQJ6VQ36FWALK · pith_short_8: GPESQJ6V

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/GPESQJ6VQ36FWALKNDQCMXB5SE \
  | 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: 33c92827d586fc5b016a68e0265c3d911a821205248a5b7a8b5e68ae48da4e3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "322cab93810a049b2bd5ff68bd77c02d77f87e2645a81827cf9b7d1146bac792",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-03-15T22:07:13Z",
    "title_canon_sha256": "318486ea9055c731ddc959eeae7354d6b3ed60c625e948c6f5b4b1e128ed11fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.06936",
    "kind": "arxiv",
    "version": 1
  }
}