Pith Number

pith:TKC7NUXF

pith:2016:TKC7NUXFRPDJRWLZEZQVYEME37

not attested not anchored not stored refs pending

BDDC and FETI-DP algorithms with adaptive coarse spaces for three-dimensional elliptic problems with oscillatory and high contrast coefficients

Eric Chung, Hyea Hyun Kim, Junxian Wang

arxiv:1606.07560 v1 · 2016-06-24 · 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{TKC7NUXFRPDJRWLZEZQVYEME37}

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	2026-05-18T00:35:24.931396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a85f6d2e58bc698d97926615c1184dfef69b7af5544bb01f1ab6c28f488ae5c

Aliases

arxiv: 1606.07560 · arxiv_version: 1606.07560v1 · doi: 10.48550/arxiv.1606.07560 · pith_short_12: TKC7NUXFRPDJ · pith_short_16: TKC7NUXFRPDJRWLZ · pith_short_8: TKC7NUXF

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/TKC7NUXFRPDJRWLZEZQVYEME37 \
  | 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: 9a85f6d2e58bc698d97926615c1184dfef69b7af5544bb01f1ab6c28f488ae5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fdb8a64f8a3c31f209eafd341b47af71a5ec15ac42804e3cdd5d27bf4ba9b69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-06-24T04:01:39Z",
    "title_canon_sha256": "53a69d0a0dde804a2abccc20649e76e61c54b8cb685e1d4fe63e25bf95cf0e1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07560",
    "kind": "arxiv",
    "version": 1
  }
}