Pith Number

pith:U7QLMHDR

pith:2024:U7QLMHDRCN33JJ5ADZX2NPIFZR

not attested not anchored not stored refs pending

Error analysis of a collocation method on graded meshes for nonlocal diffusion problems with weakly singular kernels

Chao Min, Jiankang Shi, Jizeng Wang, Minghua Chen

arxiv:2401.17567 v1 · 2024-01-31 · math.NA · cs.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{U7QLMHDRCN33JJ5ADZX2NPIFZR}

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	2026-07-05T07:39:38.743557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7e0b61c711377b4a7a01e6fa6bd05cc42b92ac02bee913ac7cb9dde28cef623

Aliases

arxiv: 2401.17567 · arxiv_version: 2401.17567v1 · doi: 10.48550/arxiv.2401.17567 · pith_short_12: U7QLMHDRCN33 · pith_short_16: U7QLMHDRCN33JJ5A · pith_short_8: U7QLMHDR

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/U7QLMHDRCN33JJ5ADZX2NPIFZR \
  | 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: a7e0b61c711377b4a7a01e6fa6bd05cc42b92ac02bee913ac7cb9dde28cef623

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fc53af06a3446dab4f733800b7b22d390c0ccac0ce30821505c69a086c73e01",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-01-31T03:15:26Z",
    "title_canon_sha256": "40e6082b8288852211908b2b98019714a6c2beabebb301f28a5890eb3ba54aa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.17567",
    "kind": "arxiv",
    "version": 1
  }
}