Pith Number

pith:CZKRPXJH

pith:2022:CZKRPXJHG5OD3XVRXZAJNIA77E

not attested not anchored not stored refs pending

Hybrid Finite Difference Schemes for Elliptic Interface Problems with Discontinuous and High-Contrast Variable Coefficients

Bin Han, Peter Minev, Qiwei Feng

arxiv:2205.01256 v1 · 2022-05-03 · 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{CZKRPXJHG5OD3XVRXZAJNIA77E}

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	2026-07-05T04:20:02.814962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

165517dd27375c3ddeb1be4096a01ff914ce6e4fe730a20345385f225b03720f

Aliases

arxiv: 2205.01256 · arxiv_version: 2205.01256v1 · doi: 10.48550/arxiv.2205.01256 · pith_short_12: CZKRPXJHG5OD · pith_short_16: CZKRPXJHG5OD3XVR · pith_short_8: CZKRPXJH

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/CZKRPXJHG5OD3XVRXZAJNIA77E \
  | 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: 165517dd27375c3ddeb1be4096a01ff914ce6e4fe730a20345385f225b03720f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6f00f35ad2ee923dcb226708ae2e8dab1ff2bd49e5b4bf29008a077d73a6e6e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-05-03T00:55:37Z",
    "title_canon_sha256": "2c01e11700b6a9473f3cb9aa08ebb5e00fa61d3493b33c7b08c692574ad996a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.01256",
    "kind": "arxiv",
    "version": 1
  }
}