Pith Number

pith:6CS4RSRO

pith:2025:6CS4RSROOG5E5UCEUPOHO4N6PL

not attested not anchored not stored refs pending

How many integrals should be evaluated at least in two-dimensional hyperinterpolation?

Congpei An, Hong Yan, Maolin Che, Yimin Wei

arxiv:2510.13204 v2 · 2025-10-15 · 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{6CS4RSROOG5E5UCEUPOHO4N6PL}

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	2026-06-11T01:09:20.195759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0a5c8ca2e71ba4ed044a3dc7771be7af05bb9b529b1636e9417ac58d8b148e4

Aliases

arxiv: 2510.13204 · arxiv_version: 2510.13204v2 · doi: 10.48550/arxiv.2510.13204 · pith_short_12: 6CS4RSROOG5E · pith_short_16: 6CS4RSROOG5E5UCE · pith_short_8: 6CS4RSRO

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/6CS4RSROOG5E5UCEUPOHO4N6PL \
  | 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: f0a5c8ca2e71ba4ed044a3dc7771be7af05bb9b529b1636e9417ac58d8b148e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c3a9db5010d2fabae443b4625388da936b6650a9e0c5a217d7b68adb38d91c7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-10-15T06:49:00Z",
    "title_canon_sha256": "0252f3047941f2a644022dacb15573d8197520ad55384aad578c68b3a72c86e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.13204",
    "kind": "arxiv",
    "version": 2
  }
}