Pith Number

pith:4IGKCZLC

pith:2014:4IGKCZLCQJ2HUHG7LWBMO3EZQ5

not attested not anchored not stored refs pending

Additive Schwarz preconditioner for the general finite volume element discretization of symmetric elliptic problems

Atle Loneland, Jan Valdman, Leszek Marcinkowski, Talal Rahman

arxiv:1405.0185 v3 · 2014-05-01 · 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{4IGKCZLCQJ2HUHG7LWBMO3EZQ5}

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	2026-05-18T00:13:22.402094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e20ca1656282747a1cdf5d82c76c9987424e1cc64ab652a411be0bc041189162

Aliases

arxiv: 1405.0185 · arxiv_version: 1405.0185v3 · doi: 10.48550/arxiv.1405.0185 · pith_short_12: 4IGKCZLCQJ2H · pith_short_16: 4IGKCZLCQJ2HUHG7 · pith_short_8: 4IGKCZLC

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/4IGKCZLCQJ2HUHG7LWBMO3EZQ5 \
  | 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: e20ca1656282747a1cdf5d82c76c9987424e1cc64ab652a411be0bc041189162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92883895548704bd3e5f4328b7adc91d05c4d0c7c20032554fe98450821f31ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-05-01T15:20:05Z",
    "title_canon_sha256": "fd7c8143b0a4c49dba6bd1cf6e481b3adae6be84d58435ff6ae9c5a788e63f6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0185",
    "kind": "arxiv",
    "version": 3
  }
}