Pith Number

pith:2P35LSQM

pith:2022:2P35LSQMO3GSY22C5HDIVQ4THX

not attested not anchored not stored refs pending

Multivariate tile B-splines

Tatyana Zaitseva

arxiv:2212.12945 v1 · 2022-12-25 · math.FA · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2P35LSQMO3GSY22C5HDIVQ4THX}

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	2026-07-05T05:28:15.029467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3f7d5ca0c76cd2c6b42e9c68ac3933dc931d6960e57af673346dc0408ba1f07

Aliases

arxiv: 2212.12945 · arxiv_version: 2212.12945v1 · doi: 10.48550/arxiv.2212.12945 · pith_short_12: 2P35LSQMO3GS · pith_short_16: 2P35LSQMO3GSY22C · pith_short_8: 2P35LSQM

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/2P35LSQMO3GSY22C5HDIVQ4THX \
  | 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: d3f7d5ca0c76cd2c6b42e9c68ac3933dc931d6960e57af673346dc0408ba1f07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c4dfe4f1d32f13e0c390d8117176d91a8d583f9ad05d7a0ec5d3bf8c343e184",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2022-12-25T18:37:41Z",
    "title_canon_sha256": "72b4ca9f551883ab421491f1be706ff1cbffa447c27d38f1988c2375f4a32726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.12945",
    "kind": "arxiv",
    "version": 1
  }
}