Pith Number

pith:MMV64QVE

pith:2017:MMV64QVEJLCTQX3QTXYSXCO5JX

not attested not anchored not stored refs pending

Numerical Homogenization of Heterogeneous Fractional Laplacians

Daniel Peterseim, Donald L. Brown, Joscha Gedicke

arxiv:1709.00730 v1 · 2017-09-03 · math.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{MMV64QVEJLCTQX3QTXYSXCO5JX}

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	2026-05-18T00:36:05.293711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

632bee42a44ac5385f709df12b89dd4df504bfff0bca9642171ba1f62e536b80

Aliases

arxiv: 1709.00730 · arxiv_version: 1709.00730v1 · doi: 10.48550/arxiv.1709.00730 · pith_short_12: MMV64QVEJLCT · pith_short_16: MMV64QVEJLCTQX3Q · pith_short_8: MMV64QVE

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/MMV64QVEJLCTQX3QTXYSXCO5JX \
  | 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: 632bee42a44ac5385f709df12b89dd4df504bfff0bca9642171ba1f62e536b80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6a2b39ac648f90a6c575980e12ec2176b2ee218e23368e8f39e4e81be34dad6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-03T15:17:15Z",
    "title_canon_sha256": "19e831f30c01f3ef0ec15844dfdf01f7bcd2d3378d7201cd023adb0b06d0950f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00730",
    "kind": "arxiv",
    "version": 1
  }
}