Pith Number

pith:V644Y4BM

pith:2017:V644Y4BMURFV2RZT72EH4FWVPH

not attested not anchored not stored refs pending

An iterative approximate method of solving boundary value problems using dual Bernstein polynomials

Pawe{\l} Wo\'zny, Przemys{\l}aw Gospodarczyk

arxiv:1709.02162 v1 · 2017-09-07 · cs.NA · math.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{V644Y4BMURFV2RZT72EH4FWVPH}

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	2026-05-18T00:35:50.020610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afb9cc702ca44b5d4733fe887e16d579fbda4e14885f750417c11629d7d8ee42

Aliases

arxiv: 1709.02162 · arxiv_version: 1709.02162v1 · doi: 10.48550/arxiv.1709.02162 · pith_short_12: V644Y4BMURFV · pith_short_16: V644Y4BMURFV2RZT · pith_short_8: V644Y4BM

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/V644Y4BMURFV2RZT72EH4FWVPH \
  | 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: afb9cc702ca44b5d4733fe887e16d579fbda4e14885f750417c11629d7d8ee42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f820eed1a1bd7fee83b617d3fbe10263fc4f598c0c26aa61767dd642a97f9c37",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-09-07T09:56:42Z",
    "title_canon_sha256": "97493fdd70e8c7b76e0c8efed787ee3b0b5390db075ee574832abc0e8c6a4344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02162",
    "kind": "arxiv",
    "version": 1
  }
}