Pith Number

pith:EQEQD22O

pith:2026:EQEQD22O4ZJ66CWUBNFA7KULEH

not attested not anchored not stored refs pending

Extended Walk-on-Spheres Algorithm for Linear and Nonlinear Elliptic Problems of Divergence-type

Andreea Grecu, Arghir Zarnescu, Iulian C\^impean

arxiv:2608.07017 v1 · 2026-08-07 · math.NA · cs.NA · math.AP · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQEQD22O4ZJ66CWUBNFA7KULEH}

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	2026-08-10T01:12:52.690170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

240901eb4ee653ef0ad40b4a0faa8b21e2e87b513921626c184a76e4493e9f06

Aliases

arxiv: 2608.07017 · arxiv_version: 2608.07017v1 · doi: 10.48550/arxiv.2608.07017 · pith_short_12: EQEQD22O4ZJ6 · pith_short_16: EQEQD22O4ZJ66CWU · pith_short_8: EQEQD22O

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/EQEQD22O4ZJ66CWUBNFA7KULEH \
  | 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: 240901eb4ee653ef0ad40b4a0faa8b21e2e87b513921626c184a76e4493e9f06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f9e71a89f21858004495d4c1de317e732bf19eb766e19b7d40ef3d52242690d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-08-07T09:26:02Z",
    "title_canon_sha256": "65a8e4f0b038adb7ca7c209794989b72d5dc88d869aa54b6577377e733548e5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07017",
    "kind": "arxiv",
    "version": 1
  }
}