Pith Number

pith:PGY644BU

pith:2025:PGY644BUFX4WYYEWP4VV4WFKCJ

not attested not anchored not stored refs pending

Self-Supervised Coarsening of Unstructured Grid with Automatic Differentiation

Alexander Ryabov, Evgeny Burnaev, Nikolay Yavich, Sergei Shumilin, Vladimir Vanovskiy

arxiv:2507.18297 v1 · 2025-07-24 · 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{PGY644BUFX4WYYEWP4VV4WFKCJ}

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	2026-07-05T11:42:45.555020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79b1ee70342df96c60967f2b5e58aa126d3f2d7828296438d0a0ba57a09dd0e0

Aliases

arxiv: 2507.18297 · arxiv_version: 2507.18297v1 · doi: 10.48550/arxiv.2507.18297 · pith_short_12: PGY644BUFX4W · pith_short_16: PGY644BUFX4WYYEW · pith_short_8: PGY644BU

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/PGY644BUFX4WYYEWP4VV4WFKCJ \
  | 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: 79b1ee70342df96c60967f2b5e58aa126d3f2d7828296438d0a0ba57a09dd0e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7883dfd71ddb973a2f294b56a65c496e77cc0f218ea313a36b15e1934dcbb300",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-24T11:02:13Z",
    "title_canon_sha256": "28023bfbd313bd68a85d2e3971a143449c11e89ed1601fad3f599714bf150822"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.18297",
    "kind": "arxiv",
    "version": 1
  }
}