Pith Number

pith:GWVZTB2J

pith:2018:GWVZTB2JSFCAMER7QIQY2FMU46

not attested not anchored not stored refs pending

MatRox: Modular approach for improving data locality in Hierarchical (Mat)rix App(Rox)imation

Bangtian Liu, Kazem Cheshmi, Maryam Mehri Dehnavi, Michelle Mills Strout, Saeed Soori

arxiv:1812.07152 v7 · 2018-12-18 · cs.DC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWVZTB2JSFCAMER7QIQY2FMU46}

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	2026-07-05T00:23:02.594964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35ab998749914406123f82218d1594e78c043b99b43a79047ce229f983ffc226

Aliases

arxiv: 1812.07152 · arxiv_version: 1812.07152v7 · doi: 10.48550/arxiv.1812.07152 · pith_short_12: GWVZTB2JSFCA · pith_short_16: GWVZTB2JSFCAMER7 · pith_short_8: GWVZTB2J

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/GWVZTB2JSFCAMER7QIQY2FMU46 \
  | 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: 35ab998749914406123f82218d1594e78c043b99b43a79047ce229f983ffc226

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84a84d52e90ca1e34cb6c3a7219db0912a850d0a745ee6d8d9dca8e4e5642873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-12-18T03:43:23Z",
    "title_canon_sha256": "3becb873ecf074309e3ffa31a7e84ff3de5d6a73c89501265597bbca9ca256c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07152",
    "kind": "arxiv",
    "version": 7
  }
}