Pith Number

pith:2JS4OKQL

pith:2015:2JS4OKQL4H4TGLVBVKDEZIEFCJ

not attested not anchored not stored refs pending

Approximation Algorithms for Connected Maximum Cut and Related Problems

Guy Kortsarz, Kanthi Sarpatwar, Manish Purohit, MohammadTaghi Hajiaghayi, Robert MacDavid

arxiv:1507.00648 v1 · 2015-07-02 · cs.DS

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JS4OKQL4H4TGLVBVKDEZIEFCJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:37:24.008281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d265c72a0be1f9332ea1aa864ca0851249f0e2cdced19062f73ae2ae34cb3490

Aliases

arxiv: 1507.00648 · arxiv_version: 1507.00648v1 · doi: 10.48550/arxiv.1507.00648 · pith_short_12: 2JS4OKQL4H4T · pith_short_16: 2JS4OKQL4H4TGLVB · pith_short_8: 2JS4OKQL

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/2JS4OKQL4H4TGLVBVKDEZIEFCJ \
  | 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: d265c72a0be1f9332ea1aa864ca0851249f0e2cdced19062f73ae2ae34cb3490

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b4feac1a9b4fa99b371cc5251af3e6031539909fddba434381452c742cae53d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-07-02T16:20:13Z",
    "title_canon_sha256": "e4c4a6b9c0fada20e6046bd0a6c27883c7c3617ca3e896184b77fd10dfabef0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00648",
    "kind": "arxiv",
    "version": 1
  }
}