Pith Number

pith:QB2Z2AO6

pith:2012:QB2Z2AO6BLKXZGEP7RKFPBNKUF

not attested not anchored not stored refs pending

The cost of continuity: performance of iterative solvers on isogeometric finite elements

David Pardo, Lisandro Dalcin, Nathan Collier, V. M. Calo

arxiv:1206.2948 v1 · 2012-06-13 · cs.NA · 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{QB2Z2AO6BLKXZGEP7RKFPBNKUF}

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	2026-05-18T03:53:33.272745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80759d01de0ad57c988ffc545785aaa163dcb68b65cb1467482ce5aa6e9b5ae5

Aliases

arxiv: 1206.2948 · arxiv_version: 1206.2948v1 · doi: 10.48550/arxiv.1206.2948 · pith_short_12: QB2Z2AO6BLKX · pith_short_16: QB2Z2AO6BLKXZGEP · pith_short_8: QB2Z2AO6

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/QB2Z2AO6BLKXZGEP7RKFPBNKUF \
  | 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: 80759d01de0ad57c988ffc545785aaa163dcb68b65cb1467482ce5aa6e9b5ae5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17b78632370164fe34557af50da38582ae43da04a1643fd6f40c2b34a7960174",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2012-06-13T21:54:08Z",
    "title_canon_sha256": "1b68bf8060bbcc7a584a11d3e7bb089f06705afd8c51ffd9c8cc003d17494d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2948",
    "kind": "arxiv",
    "version": 1
  }
}