Pith Number

pith:2V7UZXIP

pith:2014:2V7UZXIPQCRGMKFAR47ROXEI7C

not attested not anchored not stored refs pending

A Posteriori Error Estimation of hp-dG Finite Element Methods for Highly Indefinite Helmholtz Problems (extended version)

Jakob Zech, Stefan Sauter

arxiv:1407.1430 v2 · 2014-07-05 · 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{2V7UZXIPQCRGMKFAR47ROXEI7C}

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	2026-05-18T02:23:27.013008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d57f4cdd0f80a26628a08f3f175c88f8b340a8112406a487caf334620a9c4d43

Aliases

arxiv: 1407.1430 · arxiv_version: 1407.1430v2 · doi: 10.48550/arxiv.1407.1430 · pith_short_12: 2V7UZXIPQCRG · pith_short_16: 2V7UZXIPQCRGMKFA · pith_short_8: 2V7UZXIP

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/2V7UZXIPQCRGMKFAR47ROXEI7C \
  | 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: d57f4cdd0f80a26628a08f3f175c88f8b340a8112406a487caf334620a9c4d43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6a98b3c0c7798840deba43163a3c7bc7de641fc36db2912e9e45dd39311dc8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-05T20:17:25Z",
    "title_canon_sha256": "61bb423aab2275cef63bc38003d0ef1c51e119a10fc1029901a9ede3c071c16b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1430",
    "kind": "arxiv",
    "version": 2
  }
}