Pith Number

pith:LCOU7HK6

pith:2025:LCOU7HK6BONZAXULBNRBQO54BU

not attested not anchored not stored refs pending

The Whitney method of fundamental solutions with Lusin wavelets

Andreas Ros\'en, Emil Timlin, Jakob Jonsson

arxiv:2504.09458 v4 · 2025-04-13 · math.NA · cs.NA · math.AP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LCOU7HK6BONZAXULBNRBQO54BU}

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	2026-06-05T01:15:13.210374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

589d4f9d5e0b9b905e8b0b62183bbc0d1b0e565a868ac22c399906454b072b5d

Aliases

arxiv: 2504.09458 · arxiv_version: 2504.09458v4 · doi: 10.48550/arxiv.2504.09458 · pith_short_12: LCOU7HK6BONZ · pith_short_16: LCOU7HK6BONZAXUL · pith_short_8: LCOU7HK6

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/LCOU7HK6BONZAXULBNRBQO54BU \
  | 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: 589d4f9d5e0b9b905e8b0b62183bbc0d1b0e565a868ac22c399906454b072b5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44f71f5f2e0cce6bf09212b23627e0df28201f10a96ae67f63e9dc32b281ec97",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-13T07:04:24Z",
    "title_canon_sha256": "0cd0e8373977d8b9a088a9564f36231c0126284d6fea10ead7868646455c4453"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.09458",
    "kind": "arxiv",
    "version": 4
  }
}