Pith Number

pith:KWMH7SP5

pith:2017:KWMH7SP54TKSJZXNZWRGMVWCEQ

not attested not anchored not stored refs pending

T-Shape Visibility Representations of 1-Planar Graphs

Franz J. Brandenburg

arxiv:1702.05265 v1 · 2017-02-17 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWMH7SP54TKSJZXNZWRGMVWCEQ}

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	2026-05-18T00:25:11.829621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55987fc9fde4d524e6edcda26656c2241f0a4a6cd92ae5390e2b92ffd20a7883

Aliases

arxiv: 1702.05265 · arxiv_version: 1702.05265v1 · doi: 10.48550/arxiv.1702.05265 · pith_short_12: KWMH7SP54TKS · pith_short_16: KWMH7SP54TKSJZXN · pith_short_8: KWMH7SP5

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/KWMH7SP54TKSJZXNZWRGMVWCEQ \
  | 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: 55987fc9fde4d524e6edcda26656c2241f0a4a6cd92ae5390e2b92ffd20a7883

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26e4d1504aa8a0a542b4c10141a9e96b568b9603ae7f86e71c9626e42fa08281",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-02-17T09:19:02Z",
    "title_canon_sha256": "6fcc12066ba4dbb3a5c0846b627efbf23abe316a752f0bca2c5950a82844bbcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05265",
    "kind": "arxiv",
    "version": 1
  }
}