Pith Number

pith:6MYYJIN5

pith:2026:6MYYJIN5BYAXFEKHMDWKWL6D47

not attested not anchored not stored refs pending

De la Vall\'ee Poussin type approximation for solving some Fredholm integral equations

Domenico Mezzanotte, Donatella Occorsio, Mario Pezzella, Woula Themistoclakis

arxiv:2606.27178 v1 · 2026-06-25 · math.NA · cs.NA · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6MYYJIN5BYAXFEKHMDWKWL6D47}

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	2026-06-26T01:16:12.666399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f33184a1bd0e0172914760ecab2fc3e7db6b67edc2b2aa1bfefabb99576f327a

Aliases

arxiv: 2606.27178 · arxiv_version: 2606.27178v1 · doi: 10.48550/arxiv.2606.27178 · pith_short_12: 6MYYJIN5BYAX · pith_short_16: 6MYYJIN5BYAXFEKH · pith_short_8: 6MYYJIN5

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/6MYYJIN5BYAXFEKHMDWKWL6D47 \
  | 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: f33184a1bd0e0172914760ecab2fc3e7db6b67edc2b2aa1bfefabb99576f327a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4bd136fc48261708cbec99c7d9f1148175736334b9b8ff24936b3e9b106c395",
    "cross_cats_sorted": [
      "cs.NA",
      "math.FA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-25T15:44:11Z",
    "title_canon_sha256": "224ac4781cdce6dfca3f7349e32b1d494bbcb9fdfd28e9bfd35c8b51c98c28a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27178",
    "kind": "arxiv",
    "version": 1
  }
}