Pith Number

pith:BP4UMFC6

pith:2018:BP4UMFC66ZNT7EVQFBWYDGC7MF

not attested not anchored not stored refs pending

Optimal convergence behavior of adaptive FEM driven by simple (h-h/2)-type error estimators

Christoph Erath, Dirk Praetorius, Gregor Gantner

arxiv:1805.00715 v3 · 2018-05-02 · 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{BP4UMFC66ZNT7EVQFBWYDGC7MF}

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	2026-06-04T19:11:51.103135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bf946145ef65b3f92b0286d81985f6171456f5b9cc3faa05bd497da50563868

Aliases

arxiv: 1805.00715 · arxiv_version: 1805.00715v3 · doi: 10.48550/arxiv.1805.00715 · pith_short_12: BP4UMFC66ZNT · pith_short_16: BP4UMFC66ZNT7EVQ · pith_short_8: BP4UMFC6

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/BP4UMFC66ZNT7EVQFBWYDGC7MF \
  | 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: 0bf946145ef65b3f92b0286d81985f6171456f5b9cc3faa05bd497da50563868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9c2a52779cf40fb7d0013b1df802b716a4dcc8e7a6a11e6d6ae29ca3586168",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-02T10:31:32Z",
    "title_canon_sha256": "f7e09b64fc2532f7d3fac272fdd73bf6e55f9ee7d64c62a859e46ec62e8b17f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00715",
    "kind": "arxiv",
    "version": 3
  }
}