pith. sign in
Pith Number

pith:L6ZCA4UQ

pith:2015:L6ZCA4UQDXA3CT3622Z3HTHRAE
not attested not anchored not stored refs pending

Induced minors and well-quasi-ordering

Jaros{\l}aw B{\l}asiok, Jean-Florent Raymond, Marcin Kami\'nski, Th\'eophile Trunck

arxiv:1510.07135 v2 · 2015-10-24 · math.CO · cs.DM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{L6ZCA4UQDXA3CT3622Z3HTHRAE}

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 2026-05-18T00:25:27.363745Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5fb22072901dc1b14f7ed6b3b3ccf10109a5b44378a8bd7cd5f691350c07a737

Aliases

arxiv: 1510.07135 · arxiv_version: 1510.07135v2 · doi: 10.48550/arxiv.1510.07135 · pith_short_12: L6ZCA4UQDXA3 · pith_short_16: L6ZCA4UQDXA3CT36 · pith_short_8: L6ZCA4UQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/L6ZCA4UQDXA3CT3622Z3HTHRAE \
  | 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: 5fb22072901dc1b14f7ed6b3b3ccf10109a5b44378a8bd7cd5f691350c07a737
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4ca004dcdff49b86af7eb28c315c9c10fd7d2fa542ca67e69f2fd187379dfbe3",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-10-24T12:14:29Z",
    "title_canon_sha256": "1a9678dffa52bdca0a398f94847ffa7c71bb65f80fb9a693e7383d740668187f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07135",
    "kind": "arxiv",
    "version": 2
  }
}