Pith Number

pith:MEB542F2

pith:2018:MEB542F2MKGUGTH36PVEVI4DQ4

not attested not anchored not stored refs pending

Algebraic Hybridization and Static Condensation with Application to Scalable H(div) Preconditioning

Chak S. Lee, Panayot S. Vassilevski, Tzanio V. Kolev, Veselin A. Dobrev, Vladimir Z. Tomov

arxiv:1801.08914 v1 · 2018-01-26 · 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{MEB542F2MKGUGTH36PVEVI4DQ4}

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	2026-05-18T00:25:02.691836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6103de68ba628d434cfbf3ea4aa383872537ec2155abc1b0252b0f13bfba50ac

Aliases

arxiv: 1801.08914 · arxiv_version: 1801.08914v1 · doi: 10.48550/arxiv.1801.08914 · pith_short_12: MEB542F2MKGU · pith_short_16: MEB542F2MKGUGTH3 · pith_short_8: MEB542F2

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/MEB542F2MKGUGTH36PVEVI4DQ4 \
  | 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: 6103de68ba628d434cfbf3ea4aa383872537ec2155abc1b0252b0f13bfba50ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1671a09e4bc69d7fe5497bf01cbae69f7975a9990434d8b694f2c59608ae16a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-26T17:49:50Z",
    "title_canon_sha256": "6e2f802015f17a366518be8afee874ee91da1674c7c0d73a1464032e7c4c1dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08914",
    "kind": "arxiv",
    "version": 1
  }
}