Pith Number

pith:KYOVZOWY

pith:2015:KYOVZOWYBUNXL3DERXB4MJJGH2

not attested not anchored not stored refs pending

Deflation-accelerated preconditioning of the Poisson-Neumann Schur problem on long domains with a high-order discontinuous element-based collocation method

Greg N. Thomsen, Peter J. Diamessis, Sumedh M. Joshi

arxiv:1512.01756 v1 · 2015-12-06 · math.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KYOVZOWYBUNXL3DERXB4MJJGH2}

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	2026-05-18T01:18:39.426730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

561d5cbad80d1b75ec648dc3c625263e8427574def9ba4a6fff676b4e5178114

Aliases

arxiv: 1512.01756 · arxiv_version: 1512.01756v1 · doi: 10.48550/arxiv.1512.01756 · pith_short_12: KYOVZOWYBUNX · pith_short_16: KYOVZOWYBUNXL3DE · pith_short_8: KYOVZOWY

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/KYOVZOWYBUNXL3DERXB4MJJGH2 \
  | 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: 561d5cbad80d1b75ec648dc3c625263e8427574def9ba4a6fff676b4e5178114

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dde80b6f2b9d00bdc03b5f8efd811703ecfe75cc312cba7c6bdb4c130b97db9b",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-06T07:40:44Z",
    "title_canon_sha256": "3ebb38c604e191492a022a4a83bea1916d0ca2fc0e5c35af10d654bf98b9051f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01756",
    "kind": "arxiv",
    "version": 1
  }
}