Pith Number

pith:ZALV3Q55

pith:2012:ZALV3Q55YBOSD4HJDBXMD2ASNO

not attested not anchored not stored refs pending

Parallel implementation of Multilevel BDDC

Bed\v{r}ich Soused\'ik, Jakub \v{S}\'istek, Jan Mandel, Pavel Burda

arxiv:1201.5991 v1 · 2012-01-28 · 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{ZALV3Q55YBOSD4HJDBXMD2ASNO}

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	2026-05-18T03:35:26.172922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8175dc3bdc05d21f0e9186ec1e8126bac34500b6399b13ddc60d2a1f8e2b66f

Aliases

arxiv: 1201.5991 · arxiv_version: 1201.5991v1 · doi: 10.48550/arxiv.1201.5991 · pith_short_12: ZALV3Q55YBOS · pith_short_16: ZALV3Q55YBOSD4HJ · pith_short_8: ZALV3Q55

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/ZALV3Q55YBOSD4HJDBXMD2ASNO \
  | 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: c8175dc3bdc05d21f0e9186ec1e8126bac34500b6399b13ddc60d2a1f8e2b66f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0ec4ac947b42e3a9c02455a9105cda6e749e2866ed37a3233edd12e8d092326",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-01-28T20:18:55Z",
    "title_canon_sha256": "3cd9377113b6f00b6b53e8be17e35675562b6de8853e94c81d839edd97d3e5c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5991",
    "kind": "arxiv",
    "version": 1
  }
}