Pith Number

pith:LMOZLHYS

pith:2012:LMOZLHYSV46FQBAD5UCEENBAUL

not attested not anchored not stored refs pending

Computational complexity and memory usage for multi-frontal direct solvers in structured mesh finite elements

David Pardo, Maciej Paszynski, Nathan Collier, Victor M. Calo

arxiv:1204.1718 v1 · 2012-04-08 · 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{LMOZLHYSV46FQBAD5UCEENBAUL}

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	2026-05-18T03:58:23.309703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b1d959f12af3c580403ed04423420a2c4ff5f8152c6f2f4e9975321c778ddea

Aliases

arxiv: 1204.1718 · arxiv_version: 1204.1718v1 · doi: 10.48550/arxiv.1204.1718 · pith_short_12: LMOZLHYSV46F · pith_short_16: LMOZLHYSV46FQBAD · pith_short_8: LMOZLHYS

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/LMOZLHYSV46FQBAD5UCEENBAUL \
  | 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: 5b1d959f12af3c580403ed04423420a2c4ff5f8152c6f2f4e9975321c778ddea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7895f840bcae529659174999256da42378db3ea6a9de4a4f712492cca7625ffe",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2012-04-08T08:07:47Z",
    "title_canon_sha256": "e307235552402138537106be759d708979b4e7e00bd0a720b2138806acd092f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1718",
    "kind": "arxiv",
    "version": 1
  }
}