Pith Number

pith:BJEVFHVD

pith:2022:BJEVFHVDYDHABUGKB2DGNLSVDN

not attested not anchored not stored refs pending

Boolean dimension and dim-boundedness: Planar cover graph with a zero

Heather Smith Blake, Piotr Micek, William T. Trotter

arxiv:2206.06942 v2 · 2022-06-14 · math.CO · 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{BJEVFHVDYDHABUGKB2DGNLSVDN}

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	2026-07-05T05:26:06.450670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a49529ea3c0ce00d0ca0e8666ae551b5325eae940b300b7201ad1d2d7d6542c

Aliases

arxiv: 2206.06942 · arxiv_version: 2206.06942v2 · doi: 10.48550/arxiv.2206.06942 · pith_short_12: BJEVFHVDYDHA · pith_short_16: BJEVFHVDYDHABUGK · pith_short_8: BJEVFHVD

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/BJEVFHVDYDHABUGKB2DGNLSVDN \
  | 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: 0a49529ea3c0ce00d0ca0e8666ae551b5325eae940b300b7201ad1d2d7d6542c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97c51dce6860a4cd53b5ac1b05b5bc4b4c8ec9325e9e2d6637a02a6918656d61",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2022-06-14T16:02:09Z",
    "title_canon_sha256": "288d075678c96c4a1664423402564f15765127df2f1c503f08fdb5b29e47a631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.06942",
    "kind": "arxiv",
    "version": 2
  }
}