Pith Number

pith:S2PDSDDH

pith:2017:S2PDSDDHP33WOWVFUSFBRJ53GL

not attested not anchored not stored refs pending

Computational Complexity of the Interleaving Distance

H{\aa}vard Bakke Bjerkevik, Magnus Bakke Botnan

arxiv:1712.04281 v2 · 2017-12-12 · cs.CG · cs.CC · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2PDSDDHP33WOWVFUSFBRJ53GL}

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	2026-05-18T00:17:18.834172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

969e390c677ef7675aa5a48a18a7bb32c827f6f0e5805da225bf4efd20ae496f

Aliases

arxiv: 1712.04281 · arxiv_version: 1712.04281v2 · doi: 10.48550/arxiv.1712.04281 · pith_short_12: S2PDSDDHP33W · pith_short_16: S2PDSDDHP33WOWVF · pith_short_8: S2PDSDDH

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/S2PDSDDHP33WOWVFUSFBRJ53GL \
  | 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: 969e390c677ef7675aa5a48a18a7bb32c827f6f0e5805da225bf4efd20ae496f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae9ca3d990f08bebaa40c939fd4c6c692c8c3a46c892ac4a7754d7aea89581d8",
    "cross_cats_sorted": [
      "cs.CC",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-12-12T13:25:04Z",
    "title_canon_sha256": "b3838c6e6aeffe2886ab892df6170494bab3e6c9011c56bb49dc4bc71a474710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04281",
    "kind": "arxiv",
    "version": 2
  }
}