Pith Number

pith:RNUQYUEK

pith:2018:RNUQYUEKA4GHI7HLNGFBC6ZYWP

not attested not anchored not stored refs pending

How to prove the discrete reliability for nonconforming finite element methods

Carsten Carstensen, Sophie Puttkammer

arxiv:1808.03535 v2 · 2018-08-10 · 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{RNUQYUEKA4GHI7HLNGFBC6ZYWP}

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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.

Cited by

1 paper in Pith

A Quadratic $C^0$ Interior Penalty Method for the von K\'{a}rm\'{a}n Obstacle Problem

Receipt and verification

First computed	2026-07-05T00:16:58.196051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b690c508a070c747ceb698a117b38b3dd95d790a030769a5471b3fbf925a948

Aliases

arxiv: 1808.03535 · arxiv_version: 1808.03535v2 · doi: 10.48550/arxiv.1808.03535 · pith_short_12: RNUQYUEKA4GH · pith_short_16: RNUQYUEKA4GHI7HL · pith_short_8: RNUQYUEK

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/RNUQYUEKA4GHI7HLNGFBC6ZYWP \
  | 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: 8b690c508a070c747ceb698a117b38b3dd95d790a030769a5471b3fbf925a948

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "905793bae5f61c32793b8840e73d45e80f0f600072247d07749bc78846057c4f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-10T13:41:06Z",
    "title_canon_sha256": "fa622cd9f6e25f5fab09f4e9ae46ed95b4021bc208cfa8eeffdc0b25f637ed63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03535",
    "kind": "arxiv",
    "version": 2
  }
}