Pith Number

pith:IMQZRDQL

pith:2026:IMQZRDQLFLAULZFNZXKDOPBPIR

not attested not anchored not stored refs pending

Rerouting Curves on Surfaces

Anna Lubiw, Csaba D. T\'oth, G\'eza T\'oth, Henry F\"orster, J\'anos Pach, Pavel Valtr, Stefan Felsner, Stephen Kobourov, Timo Brand, Torsten Ueckerdt, Yoshio Okamoto

arxiv:2607.05362 v1 · 2026-07-06 · cs.CG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMQZRDQLFLAULZFNZXKDOPBPIR}

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	2026-07-07T03:19:24.822579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4321988e0b2ac145e4adcdd4373c2f4467da910dbb5bf379c93ae5cf7954dff9

Aliases

arxiv: 2607.05362 · arxiv_version: 2607.05362v1 · doi: 10.48550/arxiv.2607.05362 · pith_short_12: IMQZRDQLFLAU · pith_short_16: IMQZRDQLFLAULZFN · pith_short_8: IMQZRDQL

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/IMQZRDQLFLAULZFNZXKDOPBPIR \
  | 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: 4321988e0b2ac145e4adcdd4373c2f4467da910dbb5bf379c93ae5cf7954dff9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02c234fa764b5d4c027e66f4f2dd7eb9e3732cbe11bd59c36b384dc17eb544ed",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2026-07-06T17:38:19Z",
    "title_canon_sha256": "eef3257bfc98856c1747627411d652da4b889dc13f939b6d661dffc6ad72e4c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.05362",
    "kind": "arxiv",
    "version": 1
  }
}