Pith Number

pith:DDG7SUAV

pith:2017:DDG7SUAVQXXXOY5NNRQUEVSTX6

not attested not anchored not stored refs pending

Aligned Drawings of Planar Graphs

Ignaz Rutter, Marcel Radermacher, Tamara Mchedlidze

arxiv:1708.08778 v4 · 2017-08-29 · cs.DS · 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{DDG7SUAVQXXXOY5NNRQUEVSTX6}

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	2026-05-18T00:02:36.242062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18cdf9501585ef7763ad6c61425653bf8b8eccb05b606db996b620b81d10a7e9

Aliases

arxiv: 1708.08778 · arxiv_version: 1708.08778v4 · doi: 10.48550/arxiv.1708.08778 · pith_short_12: DDG7SUAVQXXX · pith_short_16: DDG7SUAVQXXXOY5N · pith_short_8: DDG7SUAV

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/DDG7SUAVQXXXOY5NNRQUEVSTX6 \
  | 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: 18cdf9501585ef7763ad6c61425653bf8b8eccb05b606db996b620b81d10a7e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c59db6328e9cfb99c7c5d4d9d60c1d4ade46a142ef921f54d6a889ace2ab011",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-29T14:31:15Z",
    "title_canon_sha256": "2ecd6422f8aad002f8812d7730dc4b3ddea2f327f6c70ee40e6ec37b649178d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08778",
    "kind": "arxiv",
    "version": 4
  }
}