Pith Number

pith:O5DLTE2J

pith:2012:O5DLTE2JPUGAJ5TAP36TZ5TSVT

not attested not anchored not stored refs pending

Domain Decomposition Preconditioners for a Discontinuous Galerkin Formulation of a Multiscale Elliptic Problem

Petter Bjorstad, Talal Rahman, Xuejun Xu, Yunfei Ma

arxiv:1203.4044 v1 · 2012-03-19 · 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{O5DLTE2JPUGAJ5TAP36TZ5TSVT}

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	2026-05-18T03:59:48.416729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7746b993497d0c04f6607efd3cf672acfef964c7cfa0b337bec2e1acd5a0b41c

Aliases

arxiv: 1203.4044 · arxiv_version: 1203.4044v1 · doi: 10.48550/arxiv.1203.4044 · pith_short_12: O5DLTE2JPUGA · pith_short_16: O5DLTE2JPUGAJ5TA · pith_short_8: O5DLTE2J

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/O5DLTE2JPUGAJ5TAP36TZ5TSVT \
  | 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: 7746b993497d0c04f6607efd3cf672acfef964c7cfa0b337bec2e1acd5a0b41c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9363e43fc4fda8268060f040c0ca6da8967c6b6c5876010fe243678d18e3410b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-03-19T06:39:14Z",
    "title_canon_sha256": "644eb0f80d9277e2713ef969d0606fd545a3bb54ab0b1fa80cd040d3c16a0d70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4044",
    "kind": "arxiv",
    "version": 1
  }
}