Pith Number

pith:AXI7EC67

pith:2025:AXI7EC67MMEFK7USWMB2M6O34B

not attested not anchored not stored refs pending

An improved quasi-isometry between graphs of bounded cliquewidth and graphs of bounded treewidth

Marc Distel

arxiv:2505.09834 v2 · 2025-05-14 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AXI7EC67MMEFK7USWMB2M6O34B}

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	2026-07-05T11:08:20.442431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05d1f20bdf6308557e92b303a679dbe060f31b464170685fa16a691ba02602f6

Aliases

arxiv: 2505.09834 · arxiv_version: 2505.09834v2 · doi: 10.48550/arxiv.2505.09834 · pith_short_12: AXI7EC67MMEF · pith_short_16: AXI7EC67MMEFK7US · pith_short_8: AXI7EC67

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/AXI7EC67MMEFK7USWMB2M6O34B \
  | 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: 05d1f20bdf6308557e92b303a679dbe060f31b464170685fa16a691ba02602f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d7e2c5533ef1c11b8bea6dbdca03118ad5a72c88dcc7437b99b2a615d980933",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-05-14T22:26:08Z",
    "title_canon_sha256": "15495048c892c1a9c7b927e56cd62b1abff58a474a728f562fa69b1151370888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.09834",
    "kind": "arxiv",
    "version": 2
  }
}