Pith Number

pith:HVHCKHCL

pith:2026:HVHCKHCLZM6E6UPR77CFM4MXBP

not attested not anchored not stored refs pending

Physics-Informed Coarsening for Multigrid Graph Neural Surrogates

Amir Bazzi, Arjun Kalkur Matpadi Raghavendra, David Cardinaux, Elie Hachem, Jose Alaves, Ramy Nemer

arxiv:2605.31013 v1 · 2026-05-29 · 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{HVHCKHCLZM6E6UPR77CFM4MXBP}

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	2026-06-01T01:03:30.728625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d4e251c4bcb3c4f51f1ffc45671970bd8226383966a089bb8ea6611c0950767

Aliases

arxiv: 2605.31013 · arxiv_version: 2605.31013v1 · doi: 10.48550/arxiv.2605.31013 · pith_short_12: HVHCKHCLZM6E · pith_short_16: HVHCKHCLZM6E6UPR · pith_short_8: HVHCKHCL

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/HVHCKHCLZM6E6UPR77CFM4MXBP \
  | 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: 3d4e251c4bcb3c4f51f1ffc45671970bd8226383966a089bb8ea6611c0950767

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "097942f3c865c33784dc05ed5535425a53e608906ad94b0df96c7f765a6b4ffe",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-29T08:47:04Z",
    "title_canon_sha256": "6a6075dc50852e068f91e613577444260664680fee1f846d661bd38d1420aa75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.31013",
    "kind": "arxiv",
    "version": 1
  }
}