Pith Number

pith:AXWV3RHR

pith:2021:AXWV3RHRIVLOPVDALLP475MM7F

not attested not anchored not stored refs pending

Polynomial and trigonometric splines

V. Denysiuk

arxiv:2110.04781 v1 · 2021-10-10 · 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{AXWV3RHRIVLOPVDALLP475MM7F}

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.

Cited by

1 paper in Pith

Incomplete (even and odd) trigonometric splines in the problems of constructing approximate solutions of second order linear differential equations

Receipt and verification

First computed	2026-07-05T03:21:21.460290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05ed5dc4f14556e7d4605adfcff58cf97a79bfb7b73dbc3533e32ec7a40975da

Aliases

arxiv: 2110.04781 · arxiv_version: 2110.04781v1 · doi: 10.48550/arxiv.2110.04781 · pith_short_12: AXWV3RHRIVLO · pith_short_16: AXWV3RHRIVLOPVDA · pith_short_8: AXWV3RHR

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/AXWV3RHRIVLOPVDALLP475MM7F \
  | 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: 05ed5dc4f14556e7d4605adfcff58cf97a79bfb7b73dbc3533e32ec7a40975da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb617f265d8a7d595ee5d3b17b8f92a6243e295571d54787cefbdd8f18c538e2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-10-10T12:51:30Z",
    "title_canon_sha256": "cead4a73d430bcf887b42c595e0fbbec41514e26c829b21ed05c08521f1294e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.04781",
    "kind": "arxiv",
    "version": 1
  }
}