Pith Number

pith:43VOFY7U

pith:2019:43VOFY7UWNWBF6Y3AVJKSH3CHN

not attested not anchored not stored refs pending

Walking the Dog Fast in Practice: Algorithm Engineering of the Fr\'echet Distance

Andr\'e Nusser, Karl Bringmann, Marvin K\"unnemann

arxiv:1901.01504 v1 · 2019-01-06 · 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{43VOFY7UWNWBF6Y3AVJKSH3CHN}

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	2026-05-17T23:56:51.845233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6eae2e3f4b36c12fb1b0552a91f623b598f8d17356b8db2961dd6e3e3f7e008

Aliases

arxiv: 1901.01504 · arxiv_version: 1901.01504v1 · doi: 10.48550/arxiv.1901.01504 · pith_short_12: 43VOFY7UWNWB · pith_short_16: 43VOFY7UWNWBF6Y3 · pith_short_8: 43VOFY7U

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/43VOFY7UWNWBF6Y3AVJKSH3CHN \
  | 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: e6eae2e3f4b36c12fb1b0552a91f623b598f8d17356b8db2961dd6e3e3f7e008

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13df5e9c0d7eccd84fb3afbbcf5134ad454ba077d72a591e5fa62697fb59248e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-01-06T06:16:48Z",
    "title_canon_sha256": "1fc8e37c0da822ad0c88e373338ed3d91ca8045ec03dd2cf6d15222f73683a78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01504",
    "kind": "arxiv",
    "version": 1
  }
}