Pith Number

pith:R5MZR2NZ

pith:2018:R5MZR2NZMJQZCW6RXGSLCJO3YI

not attested not anchored not stored refs pending

Merging Multigrid Optimization with SESOP

Irad Yavneh, Michael Zibulevsky, Tao Hong

arxiv:1812.06896 v4 · 2018-12-17 · math.OC · cs.NA · 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{R5MZR2NZMJQZCW6RXGSLCJO3YI}

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	2026-06-04T20:13:48.658062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f5998e9b96261915bd1b9a4b125dbc2344b9713856de59b030855590786010c

Aliases

arxiv: 1812.06896 · arxiv_version: 1812.06896v4 · doi: 10.48550/arxiv.1812.06896 · pith_short_12: R5MZR2NZMJQZ · pith_short_16: R5MZR2NZMJQZCW6R · pith_short_8: R5MZR2NZ

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/R5MZR2NZMJQZCW6RXGSLCJO3YI \
  | 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: 8f5998e9b96261915bd1b9a4b125dbc2344b9713856de59b030855590786010c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e8716c91e014d268e6d58068f16a76eb9177029a5b60da09231fb0ec62319fb",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-12-17T17:05:15Z",
    "title_canon_sha256": "dde7b1316ece5d5fbf13d617ec144d1d901d35533fe81be64097c8dba5ce598b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06896",
    "kind": "arxiv",
    "version": 4
  }
}