Pith Number

pith:MKZ4GLQA

pith:2018:MKZ4GLQALP7RFVPLKPFNDOKPJF

not attested not anchored not stored refs pending

A parallel solver for a preconditioned space-time boundary element method for the heat equation

G\"unther Of, Jan Zapletal, Michal Merta, Olaf Steinbach, Stefan Dohr

arxiv:1811.05224 v1 · 2018-11-13 · 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{MKZ4GLQALP7RFVPLKPFNDOKPJF}

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	2026-06-04T20:13:40.903262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62b3c32e005bff12d5eb53cad1b94f49422af1a7d9e97e365d727701f86a8535

Aliases

arxiv: 1811.05224 · arxiv_version: 1811.05224v1 · doi: 10.48550/arxiv.1811.05224 · pith_short_12: MKZ4GLQALP7R · pith_short_16: MKZ4GLQALP7RFVPL · pith_short_8: MKZ4GLQA

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/MKZ4GLQALP7RFVPLKPFNDOKPJF \
  | 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: 62b3c32e005bff12d5eb53cad1b94f49422af1a7d9e97e365d727701f86a8535

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86e4fd9f5a4ff453f6ca555583617077465202f97e7d1adfe5099d99faeef9c5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-13T11:34:31Z",
    "title_canon_sha256": "f05768a0a70f94f044e50a644f689e39238e5405880b1a809e089a8714b848e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05224",
    "kind": "arxiv",
    "version": 1
  }
}