Pith Number

pith:FUID2FEZ

pith:2017:FUID2FEZUB6WFX3EJIR5F67XDP

not attested not anchored not stored refs pending

A Sublinear Tester for Outerplanarity (and Other Forbidden Minors) With One-Sided Error

Hendrik Fichtenberger, Maximilian W\"otzel, Reut Levi, Yadu Vasudev

arxiv:1707.06126 v4 · 2017-07-19 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUID2FEZUB6WFX3EJIR5F67XDP}

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	2026-05-18T00:08:36.478081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d103d1499a07d62df644a23d2fbf71bc83792fd6aee2596a53addcd008735e3

Aliases

arxiv: 1707.06126 · arxiv_version: 1707.06126v4 · doi: 10.48550/arxiv.1707.06126 · pith_short_12: FUID2FEZUB6W · pith_short_16: FUID2FEZUB6WFX3E · pith_short_8: FUID2FEZ

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/FUID2FEZUB6WFX3EJIR5F67XDP \
  | 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: 2d103d1499a07d62df644a23d2fbf71bc83792fd6aee2596a53addcd008735e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1e9effb6fcc20bd9b7d492ed48bf1b61f1d1f1f2fc140a4a0692bfd11031f54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-07-19T14:44:55Z",
    "title_canon_sha256": "c3485216e4cb494acd2d21424a9dc98dd31326647b95ece01dbaad501f909cc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06126",
    "kind": "arxiv",
    "version": 4
  }
}