Pith Number

pith:S3RDUOJV

pith:2017:S3RDUOJVOZPMFQE7Y4FEKBX6XT

not attested not anchored not stored refs pending

New algorithms for the Minimum Coloring Cut Problem

Augusto Bordini, F\'abio Protti

arxiv:1703.09258 v2 · 2017-03-27 · cs.DS · cs.DM · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S3RDUOJVOZPMFQE7Y4FEKBX6XT}

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	2026-05-18T00:46:53.935515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96e23a3935765ec2c09fc70a4506febcc0b6ff8cbba0bd8ba0c6844ce7126d6e

Aliases

arxiv: 1703.09258 · arxiv_version: 1703.09258v2 · doi: 10.48550/arxiv.1703.09258 · pith_short_12: S3RDUOJVOZPM · pith_short_16: S3RDUOJVOZPMFQE7 · pith_short_8: S3RDUOJV

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/S3RDUOJVOZPMFQE7Y4FEKBX6XT \
  | 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: 96e23a3935765ec2c09fc70a4506febcc0b6ff8cbba0bd8ba0c6844ce7126d6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "188fe4aea7fc20a30ff8c203503fe91973d0ea8388d2a4fafdcf3273d52e3cb9",
    "cross_cats_sorted": [
      "cs.DM",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-03-27T18:36:17Z",
    "title_canon_sha256": "2531dd541f92bb3ab973b95d8c50b3f4afa84ec07f1be097d7b13be132ae5781"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09258",
    "kind": "arxiv",
    "version": 2
  }
}