Pith Number

pith:C46MIR2J

pith:2018:C46MIR2JIRCTACBGEGHONGSWUZ

not attested not anchored not stored refs pending

FETI-DP preconditioners for the Virtual Element Method on general 2D meshes

Daniele Prada, Marco Livesu, Micol Pennacchio, Silvia Bertoluzza

arxiv:1804.09959 v1 · 2018-04-26 · 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{C46MIR2JIRCTACBGEGHONGSWUZ}

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	2026-05-18T00:17:25.598306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

173cc447494445300826218ee69a56a673e17c3f15addee2d4b0e0d9350d5c74

Aliases

arxiv: 1804.09959 · arxiv_version: 1804.09959v1 · doi: 10.48550/arxiv.1804.09959 · pith_short_12: C46MIR2JIRCT · pith_short_16: C46MIR2JIRCTACBG · pith_short_8: C46MIR2J

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/C46MIR2JIRCTACBGEGHONGSWUZ \
  | 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: 173cc447494445300826218ee69a56a673e17c3f15addee2d4b0e0d9350d5c74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2297b0c1dc17a700c94857cb32a5c55367feb44783b16ea04eb0b10ccc100f0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-26T09:45:52Z",
    "title_canon_sha256": "486c8a3dd4d0918187cab4ada447fdf635a86dabb58bcb17a464a80463e47f98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09959",
    "kind": "arxiv",
    "version": 1
  }
}