Pith Number

pith:5O6BIMNZ

pith:2016:5O6BIMNZZEYSET2GXK73OK5LQ6

not attested not anchored not stored refs pending

Pythagorean-Hodograph B-Spline Curves

Carolina Vittoria Beccari, Gudrun Albrecht, Jean-Charles Canonne, Lucia Romani

arxiv:1609.07888 v1 · 2016-09-26 · 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{5O6BIMNZZEYSET2GXK73OK5LQ6}

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	2026-05-18T01:03:55.125643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebbc1431b9c931224f46babfb72bab87926c61c4542a02f3d0d63111067c541b

Aliases

arxiv: 1609.07888 · arxiv_version: 1609.07888v1 · doi: 10.48550/arxiv.1609.07888 · pith_short_12: 5O6BIMNZZEYS · pith_short_16: 5O6BIMNZZEYSET2G · pith_short_8: 5O6BIMNZ

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/5O6BIMNZZEYSET2GXK73OK5LQ6 \
  | 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: ebbc1431b9c931224f46babfb72bab87926c61c4542a02f3d0d63111067c541b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb241240c366ff52bd1f6b9f50dfb222f729a0713e06dd2a5c9535243dc186ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-26T09:00:51Z",
    "title_canon_sha256": "df844207ced172478a935f116bfc5f73404e4b27fa77c7a7f3a3248e24fc28a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07888",
    "kind": "arxiv",
    "version": 1
  }
}