Pith Number

pith:P7U75N7N

pith:2013:P7U75N7NEKR6K6N76GICJUFYPU

not attested not anchored not stored refs pending

An efficient way to perform the assembly of finite element matrices in Matlab and Octave

Caroline Japhet (LAGA, Fran\c{c}ois Cuvelier (LAGA), Gilles Scarella (LAGA), Inria Paris-Rocquencourt)

arxiv:1305.3122 v1 · 2013-05-14 · cs.NA · cs.MS · 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{P7U75N7NEKR6K6N76GICJUFYPU}

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	2026-05-18T03:25:44.749382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fe9feb7ed22a3e579bff19024d0b87d32ce9009fc88947434cbcf59af61cb95

Aliases

arxiv: 1305.3122 · arxiv_version: 1305.3122v1 · doi: 10.48550/arxiv.1305.3122 · pith_short_12: P7U75N7NEKR6 · pith_short_16: P7U75N7NEKR6K6N7 · pith_short_8: P7U75N7N

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/P7U75N7NEKR6K6N76GICJUFYPU \
  | 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: 7fe9feb7ed22a3e579bff19024d0b87d32ce9009fc88947434cbcf59af61cb95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fcb589d5c5217daece3876ee332b954411dcca05d27a4ffc7e8f902add300dc",
    "cross_cats_sorted": [
      "cs.MS",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2013-05-14T11:52:17Z",
    "title_canon_sha256": "eb36699c4ce307a4ccc6a0f1e8f38894e68ecea5ec6958e75ac7b504148a4c8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3122",
    "kind": "arxiv",
    "version": 1
  }
}