Pith Number

pith:WOB33WRA

pith:2024:WOB33WRAQISGROECCUUGDIJEPQ

not attested not anchored not stored refs pending

Maximum-norm a posteriori error bounds for parabolic equations discretised by the extrapolated Euler method in time and FEM in space

Goran Radojev, Torsten Lin{\ss}

arxiv:2411.13617 v1 · 2024-11-20 · 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{WOB33WRAQISGROECCUUGDIJEPQ}

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	2026-07-05T09:38:34.550082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b383bdda20822468b882152861a1247c1c394142ddd0434acab7078e7a7aa331

Aliases

arxiv: 2411.13617 · arxiv_version: 2411.13617v1 · doi: 10.48550/arxiv.2411.13617 · pith_short_12: WOB33WRAQISG · pith_short_16: WOB33WRAQISGROEC · pith_short_8: WOB33WRA

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/WOB33WRAQISGROECCUUGDIJEPQ \
  | 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: b383bdda20822468b882152861a1247c1c394142ddd0434acab7078e7a7aa331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aafcfc1b3c14ea092cd73b893123c8fefcc28a4cdbac7fbb44f7d5500f2fff06",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-11-20T08:59:40Z",
    "title_canon_sha256": "bd45e79693d8229da2b5f671443ed8b97fe1dd1579e7912efa0f7eb91db58064"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.13617",
    "kind": "arxiv",
    "version": 1
  }
}