Pith Number

pith:KSICY4AJ

pith:2025:KSICY4AJDF34OU4FGF7H4J5OTT

not attested not anchored not stored refs pending

Basis construction for polynomial spline spaces over arbitrary T-meshes

Bingru Huang, Falai Chen, Shicong Zhong

arxiv:2508.12950 v2 · 2025-08-18 · 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{KSICY4AJDF34OU4FGF7H4J5OTT}

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	2026-05-17T23:39:04.817400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54902c70091977c75385317e7e27ae9cff19d94fc9213e3996a35955ba7170cb

Aliases

arxiv: 2508.12950 · arxiv_version: 2508.12950v2 · doi: 10.48550/arxiv.2508.12950 · pith_short_12: KSICY4AJDF34 · pith_short_16: KSICY4AJDF34OU4F · pith_short_8: KSICY4AJ

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/KSICY4AJDF34OU4FGF7H4J5OTT \
  | 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: 54902c70091977c75385317e7e27ae9cff19d94fc9213e3996a35955ba7170cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d540fd0adb3ca1898329219e7e3e51036e7ec8307c9650554f7ae5f700a76e6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-08-18T14:25:47Z",
    "title_canon_sha256": "cb250c0b5e14c7628cb3911b55739280cb8ba1f284499ab4f3e644bd922a4c79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.12950",
    "kind": "arxiv",
    "version": 2
  }
}