Pith Number

pith:XPZYV24G

pith:2022:XPZYV24GSOQDL3TPUAHE63MZ5X

not attested not anchored not stored refs pending

Adaptive Regularization of B-Spline Models for Scientific Data

David Lenz, Iulian Grindeanu, Raine Yeh, Tom Peterka, Vijay Mahadevan

arxiv:2203.12730 v1 · 2022-03-23 · math.NA · cs.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{XPZYV24GSOQDL3TPUAHE63MZ5X}

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	2026-07-05T04:09:03.342209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbf38aeb8693a035ee6fa00e4f6d99edf41481be9b1073e7ea3add685cc22c28

Aliases

arxiv: 2203.12730 · arxiv_version: 2203.12730v1 · doi: 10.48550/arxiv.2203.12730 · pith_short_12: XPZYV24GSOQD · pith_short_16: XPZYV24GSOQDL3TP · pith_short_8: XPZYV24G

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/XPZYV24GSOQDL3TPUAHE63MZ5X \
  | 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: bbf38aeb8693a035ee6fa00e4f6d99edf41481be9b1073e7ea3add685cc22c28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb609028d74fcc1f11bdc62f52976b7776aa07c2fe673c73f2dc2fa86df5545e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-03-23T21:25:21Z",
    "title_canon_sha256": "a1bede0dbe263245c6c4bf2e37532215e5e094496d5bd5322ec0c9a8415a55bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.12730",
    "kind": "arxiv",
    "version": 1
  }
}