Pith Number

pith:NKIJHGGX

pith:2013:NKIJHGGXTYH3CORAPMLJXCFPUR

not attested not anchored not stored refs pending

Fast and accurate $G^1$ fitting of clothoid curves

Enrico Bertolazzi, Marco Frego

arxiv:1305.6644 v2 · 2013-05-28 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKIJHGGXTYH3CORAPMLJXCFPUR}

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	2026-05-18T01:11:03.636695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a909398d79e0fb13a207b169b88afa44ae979ba286851cb66a4954e5f455925

Aliases

arxiv: 1305.6644 · arxiv_version: 1305.6644v2 · doi: 10.48550/arxiv.1305.6644 · pith_short_12: NKIJHGGXTYH3 · pith_short_16: NKIJHGGXTYH3CORA · pith_short_8: NKIJHGGX

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/NKIJHGGXTYH3CORAPMLJXCFPUR \
  | 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: 6a909398d79e0fb13a207b169b88afa44ae979ba286851cb66a4954e5f455925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33d9850c422087c0ea722e50743b3e2e0423ca325a57aabe5de6ec584202f976",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-05-28T22:04:13Z",
    "title_canon_sha256": "8f67f11894c991f651e4e363fded6e846884db6afe1e7cc40add909e414c4da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6644",
    "kind": "arxiv",
    "version": 2
  }
}