Pith Number

pith:IGNVCDSU

pith:2026:IGNVCDSUMREBTRWWB7FVHQQMI5

not attested not anchored not stored refs pending

Constant-factor approximation of maximum distance-2 independent set in graphs of bounded merge-width

Ma\"el Dumas

arxiv:2606.31369 v1 · 2026-06-30 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGNVCDSUMREBTRWWB7FVHQQMI5}

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	2026-07-01T01:18:00.930199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

419b510e54644819c6d60fcb53c20c477f7b7e587a57534b867275f51b83fac8

Aliases

arxiv: 2606.31369 · arxiv_version: 2606.31369v1 · doi: 10.48550/arxiv.2606.31369 · pith_short_12: IGNVCDSUMREB · pith_short_16: IGNVCDSUMREBTRWW · pith_short_8: IGNVCDSU

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/IGNVCDSUMREBTRWWB7FVHQQMI5 \
  | 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: 419b510e54644819c6d60fcb53c20c477f7b7e587a57534b867275f51b83fac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9242262004e75de93abf2dc05f60ec89ccf9249dd855643413df785643ebb20c",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-06-30T09:02:21Z",
    "title_canon_sha256": "2b0345ab80bb8165ff7541f7ae6dfc040a197b81ab60a370a5aa79a76893b8fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31369",
    "kind": "arxiv",
    "version": 1
  }
}