Pith Number

pith:GLGNDRWD

pith:2022:GLGNDRWDQZ2T4Y3YTKU73BATZ4

not attested not anchored not stored refs pending

Meta-PDE: Learning to Solve PDEs Quickly Without a Mesh

Alex Beatson, Deniz Oktay, Nick McGreivy, Ryan P. Adams, Tian Qin

arxiv:2211.01604 v1 · 2022-11-03 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GLGNDRWDQZ2T4Y3YTKU73BATZ4}

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	2026-07-05T05:12:57.976869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32ccd1c6c386753e63789aa9fd8413cf0dfca1c0c20d4e7c7ad23abc0c9f7d51

Aliases

arxiv: 2211.01604 · arxiv_version: 2211.01604v1 · doi: 10.48550/arxiv.2211.01604 · pith_short_12: GLGNDRWDQZ2T · pith_short_16: GLGNDRWDQZ2T4Y3Y · pith_short_8: GLGNDRWD

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/GLGNDRWDQZ2T4Y3YTKU73BATZ4 \
  | 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: 32ccd1c6c386753e63789aa9fd8413cf0dfca1c0c20d4e7c7ad23abc0c9f7d51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f47f47a3e7bd924e3cb832f02a7499d1288f3b385a4701deff9e668b714bd90",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-11-03T06:17:52Z",
    "title_canon_sha256": "3294001a6c338b9df465839b4b703f179f71f9de4906d7ab79fd169f8630e456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.01604",
    "kind": "arxiv",
    "version": 1
  }
}