Pith Number

pith:EX6ENUHN

pith:2019:EX6ENUHNTKTOO6UKOEBMC2SF24

not attested not anchored not stored refs pending

Global and local pointwise error estimates for finite element approximations to the Stokes problem on convex polyhedra

Boris Vexler, Dmitriy Leykekhman, Niklas Behringer

arxiv:1907.06871 v1 · 2019-07-16 · 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{EX6ENUHNTKTOO6UKOEBMC2SF24}

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	2026-05-17T23:40:28.881340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25fc46d0ed9aa6e77a8a7102c16a45d72dd67d3e19cf66e495c90113cd6bc7f8

Aliases

arxiv: 1907.06871 · arxiv_version: 1907.06871v1 · doi: 10.48550/arxiv.1907.06871 · pith_short_12: EX6ENUHNTKTO · pith_short_16: EX6ENUHNTKTOO6UK · pith_short_8: EX6ENUHN

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/EX6ENUHNTKTOO6UKOEBMC2SF24 \
  | 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: 25fc46d0ed9aa6e77a8a7102c16a45d72dd67d3e19cf66e495c90113cd6bc7f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1716aa8fafaad579a10152a3ef6c5c14158843afe2a7c7f5af47683b6e09a0cc",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-16T07:29:07Z",
    "title_canon_sha256": "31b1387c00f6b80822892b5393d1c8c8b49aa79bc40e43f54c0395499549989e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06871",
    "kind": "arxiv",
    "version": 1
  }
}