Pith Number

pith:C7KCAUL5

pith:2016:C7KCAUL5CAU3WBLWTT4SQRA5JG

not attested not anchored not stored refs pending

High quality local interpolation by composite parametric surfaces

Carolina Vittoria Beccari, Giulio Casciola, Michele Antonelli

arxiv:1601.01436 v1 · 2016-01-07 · 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{C7KCAUL5CAU3WBLWTT4SQRA5JG}

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	2026-05-18T01:23:13.663472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17d420517d1029bb05769cf928441d4999f13fbd1c95fc36822f894ebe4b9a32

Aliases

arxiv: 1601.01436 · arxiv_version: 1601.01436v1 · doi: 10.48550/arxiv.1601.01436 · pith_short_12: C7KCAUL5CAU3 · pith_short_16: C7KCAUL5CAU3WBLW · pith_short_8: C7KCAUL5

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/C7KCAUL5CAU3WBLWTT4SQRA5JG \
  | 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: 17d420517d1029bb05769cf928441d4999f13fbd1c95fc36822f894ebe4b9a32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "286ab168b49edfde393bf9f254e0bd74c5cf565480ea6a8a02ee0200a7df5cab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-07T08:06:57Z",
    "title_canon_sha256": "0f494fbcc540bc2df3327fd882047ad37c632e572c909b017dc95ee4ed7807fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01436",
    "kind": "arxiv",
    "version": 1
  }
}