Pith Number

pith:MUWQ6U6P

pith:2015:MUWQ6U6P7M3WT6RVTATG22AS4U

not attested not anchored not stored refs pending

Discrete maximal parabolic regularity for Galerkin finite element methods

Boris Vexler, Dmitriy Leykekhman

arxiv:1505.04808 v2 · 2015-05-18 · 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{MUWQ6U6P7M3WT6RVTATG22AS4U}

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	2026-05-18T00:07:55.895262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

652d0f53cffb3769fa3598266d6812e50c57a008d29d5fd0cfbe79a64c96b330

Aliases

arxiv: 1505.04808 · arxiv_version: 1505.04808v2 · doi: 10.48550/arxiv.1505.04808 · pith_short_12: MUWQ6U6P7M3W · pith_short_16: MUWQ6U6P7M3WT6RV · pith_short_8: MUWQ6U6P

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/MUWQ6U6P7M3WT6RVTATG22AS4U \
  | 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: 652d0f53cffb3769fa3598266d6812e50c57a008d29d5fd0cfbe79a64c96b330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a4ec514a89ab7e93b382f618fad3f533a767f2d663f02778d35ae49f9b0f45c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-18T20:20:51Z",
    "title_canon_sha256": "59444faff0f01a6d938bf0a80d29e812ef591390dc5871089a63f69cdcb01669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04808",
    "kind": "arxiv",
    "version": 2
  }
}