Pith Number

pith:CSGSGU3G

pith:2013:CSGSGU3GXMLZOYI65MBVHL3BF4

not attested not anchored not stored refs pending

Substructuring Preconditioners for an h-p Nitsche-type method

B. Ayuso de Dios, M. Penacchio, P.F. Antonietti, S. Bertoluzza

arxiv:1301.3175 v1 · 2013-01-14 · 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{CSGSGU3GXMLZOYI65MBVHL3BF4}

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	2026-05-18T03:36:26.321189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

148d235366bb1797611eeb0353af612f02f717d4763f6c9a3fdc30da16d25ec5

Aliases

arxiv: 1301.3175 · arxiv_version: 1301.3175v1 · doi: 10.48550/arxiv.1301.3175 · pith_short_12: CSGSGU3GXMLZ · pith_short_16: CSGSGU3GXMLZOYI6 · pith_short_8: CSGSGU3G

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/CSGSGU3GXMLZOYI65MBVHL3BF4 \
  | 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: 148d235366bb1797611eeb0353af612f02f717d4763f6c9a3fdc30da16d25ec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aef287fa3ad844af2c001d1167d4a7813effdb681e87605dea57127cc0b5419",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-01-14T22:24:27Z",
    "title_canon_sha256": "6eb9c427d4dfc9dabac5d846fed8b699808ac4d1971fe438f3c41efa25584361"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3175",
    "kind": "arxiv",
    "version": 1
  }
}