Pith Number

pith:XHDZBTCI

pith:2018:XHDZBTCIE3L2MOXJARM32G7IU6

not attested not anchored not stored refs pending

On colorings of the Boolean lattice avoiding a rainbow copy of a poset

Bal\'azs Patk\'os

arxiv:1812.09058 v1 · 2018-12-21 · 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{XHDZBTCIE3L2MOXJARM32G7IU6}

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	2026-05-17T23:57:45.531553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9c790cc4826d7a63ae90459bd1be8a7874a06ce39a26aab370c85c9c168e5b6

Aliases

arxiv: 1812.09058 · arxiv_version: 1812.09058v1 · doi: 10.48550/arxiv.1812.09058 · pith_short_12: XHDZBTCIE3L2 · pith_short_16: XHDZBTCIE3L2MOXJ · pith_short_8: XHDZBTCI

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/XHDZBTCIE3L2MOXJARM32G7IU6 \
  | 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: b9c790cc4826d7a63ae90459bd1be8a7874a06ce39a26aab370c85c9c168e5b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a565b9c0ccc15fabc3424c8a3cbb0768feb5064f8e92b6241c84e0c1b744760f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-12-21T11:27:48Z",
    "title_canon_sha256": "d833f4679a9401cb48f8ffe346eee0a3f813e3cf8d21e972747fe203bde25f99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09058",
    "kind": "arxiv",
    "version": 1
  }
}