Pith Number

pith:AIY2TBUY

pith:2014:AIY2TBUYUZ4AO6RAY64MHG2MA7

not attested not anchored not stored refs pending

Instance optimal Crouzeix-Raviart adaptive finite element methods for the Poisson and Stokes problems

Christian Kreuzer, Mira Schedensack

arxiv:1404.3065 v2 · 2014-04-11 · 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{AIY2TBUYUZ4AO6RAY64MHG2MA7}

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	2026-05-18T02:19:08.541401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0231a98698a678077a20c7b8c39b4c07d3bf6b66585fc327ecaa26faa0d1b5c1

Aliases

arxiv: 1404.3065 · arxiv_version: 1404.3065v2 · doi: 10.48550/arxiv.1404.3065 · pith_short_12: AIY2TBUYUZ4A · pith_short_16: AIY2TBUYUZ4AO6RA · pith_short_8: AIY2TBUY

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/AIY2TBUYUZ4AO6RAY64MHG2MA7 \
  | 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: 0231a98698a678077a20c7b8c39b4c07d3bf6b66585fc327ecaa26faa0d1b5c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f1c00abbbe1c4d53fa0bc6204012e698d62b292ecf95e1f536cd5b8d0b1564f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-11T10:37:26Z",
    "title_canon_sha256": "f5b6a4dbe9b876211b625d49ce6aab64fc4b680f6516f7c79eb8a52901834b57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3065",
    "kind": "arxiv",
    "version": 2
  }
}