Pith Number

pith:7MGCPDVO

pith:2021:7MGCPDVOTBMXTTLKBWAXVWGDNE

not attested not anchored not stored refs pending

Reinforcement Learning for Adaptive Mesh Refinement

Brenden Petersen, Daniel Faissol, Hongyuan Zha, Jean-Sylvain Camier, Jiachen Yang, Jun Kudo, Ketan Mittal, Robert Anderson, Tarik Dzanic, Tuo Zhao, Tzanio Kolev, Vladimir Tomov

arxiv:2103.01342 v3 · 2021-03-01 · cs.LG · 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{7MGCPDVOTBMXTTLKBWAXVWGDNE}

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	2026-07-05T05:44:23.317476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb0c278eae985979cd6a0d817ad8c369132a607adf10a06b26872554cd3ec6ca

Aliases

arxiv: 2103.01342 · arxiv_version: 2103.01342v3 · doi: 10.48550/arxiv.2103.01342 · pith_short_12: 7MGCPDVOTBMX · pith_short_16: 7MGCPDVOTBMXTTLK · pith_short_8: 7MGCPDVO

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/7MGCPDVOTBMXTTLKBWAXVWGDNE \
  | 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: fb0c278eae985979cd6a0d817ad8c369132a607adf10a06b26872554cd3ec6ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ec0de1c56b5e75cbc4c2b9c860a4352e72eef2d5531270140f976e38ba140fb",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-01T22:55:48Z",
    "title_canon_sha256": "3a74fa20a67a0c1ba1f76c0dbf37819a1c64d23b5737baf77f8da7ab1fabb2a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01342",
    "kind": "arxiv",
    "version": 3
  }
}