Pith Number

pith:IQMIL4JJ

pith:2018:IQMIL4JJQCKLFJWO4YKKKG5OV3

not attested not anchored not stored refs pending

About convergence of projection methods for solution of some Fredholm integral equations of the first kind

Olexandr Polishchuk

arxiv:1801.02342 v1 · 2018-01-08 · 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{IQMIL4JJQCKLFJWO4YKKKG5OV3}

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	2026-05-18T00:26:31.959451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

441885f1298094b2a6cee614a51baeaed7a7335eda50f772ffb90ae5d6307fca

Aliases

arxiv: 1801.02342 · arxiv_version: 1801.02342v1 · doi: 10.48550/arxiv.1801.02342 · pith_short_12: IQMIL4JJQCKL · pith_short_16: IQMIL4JJQCKLFJWO · pith_short_8: IQMIL4JJ

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/IQMIL4JJQCKLFJWO4YKKKG5OV3 \
  | 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: 441885f1298094b2a6cee614a51baeaed7a7335eda50f772ffb90ae5d6307fca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d639b56318c6ac6a321cd469eadf71c290c5585d927f7da389b471b18d28916b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-08T08:45:42Z",
    "title_canon_sha256": "f46066c250443159718ae57eaf476192c7af444ccdff1ed6b21c513d69d834a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02342",
    "kind": "arxiv",
    "version": 1
  }
}