Pith Number

pith:BVDMQ7T2

pith:2017:BVDMQ7T2LDBPCEKUMEETLJ3KVS

not attested not anchored not stored refs pending

Combinatorial Properties and Recognition of Unit Square Visibility Graphs

Alexander Grigoriev, Henning Fernau, Katrin Casel, Markus L. Schmid, Sue Whitesides

arxiv:1706.05906 v2 · 2017-06-19 · cs.CG · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVDMQ7T2LDBPCEKUMEETLJ3KVS}

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	2026-05-18T00:32:25.648075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d46c87e7a58c2f11154610935a76aac9c0f3f1d843fbbc9e0a6ddc92916c80f

Aliases

arxiv: 1706.05906 · arxiv_version: 1706.05906v2 · doi: 10.48550/arxiv.1706.05906 · pith_short_12: BVDMQ7T2LDBP · pith_short_16: BVDMQ7T2LDBPCEKU · pith_short_8: BVDMQ7T2

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/BVDMQ7T2LDBPCEKUMEETLJ3KVS \
  | 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: 0d46c87e7a58c2f11154610935a76aac9c0f3f1d843fbbc9e0a6ddc92916c80f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37d674029725b64b2b2aaccd8ea6fb4cadc8f02be1e7a95907ae0e0142e50285",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-06-19T12:48:09Z",
    "title_canon_sha256": "79264dbf486b668e39fc1585c1eef7bda965ec46dbae3548ce6e873b1bf6ae46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05906",
    "kind": "arxiv",
    "version": 2
  }
}