Pith Number

pith:QVGN7VJC

pith:2021:QVGN7VJCMJF3GTFGH2FLSBMKTV

not attested not anchored not stored refs pending

Optimization-Based Algebraic Multigrid Coarsening Using Reinforcement Learning

Ali Taghibakhshi, Luke Olson, Matthew West, Scott MacLachlan

arxiv:2106.01854 v3 · 2021-06-03 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVGN7VJCMJF3GTFGH2FLSBMKTV}

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.

Cited by

1 paper in Pith

Towards Automated Algebraic Multigrid Preconditioner Design Using Genetic Programming for Large-Scale Laser Beam Welding Simulations

Receipt and verification

First computed	2026-07-05T03:45:09.423589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

854cdfd522624bb34ca63e8ab9058a9d531cab605b7206c16eed9555537f6450

Aliases

arxiv: 2106.01854 · arxiv_version: 2106.01854v3 · doi: 10.48550/arxiv.2106.01854 · pith_short_12: QVGN7VJCMJF3 · pith_short_16: QVGN7VJCMJF3GTFG · pith_short_8: QVGN7VJC

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/QVGN7VJCMJF3GTFGH2FLSBMKTV \
  | 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: 854cdfd522624bb34ca63e8ab9058a9d531cab605b7206c16eed9555537f6450

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4547ecf2e958a16046c190584c4bfac6730fa227f849f4e436b5a651ffca9a8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-03T13:57:32Z",
    "title_canon_sha256": "b6982f6236eef5f61867c805c14ca9d67170e02a0aece1473cb335614ca93480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.01854",
    "kind": "arxiv",
    "version": 3
  }
}