Pith Number

pith:GYIXG7GE

pith:2021:GYIXG7GEAN6YAMQS43VW4VQ6VR

not attested not anchored not stored refs pending

Surrogate Model for Shallow Water Equations Solvers with Deep Learning

Chaopeng Shen, Xiaofeng Liu, Yalan Song

arxiv:2112.10889 v1 · 2021-12-20 · physics.flu-dyn · 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{GYIXG7GEAN6YAMQS43VW4VQ6VR}

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	2026-07-05T03:42:27.297086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3611737cc4037d803212e6eb6e561eac4e2569d80b4b815b564f094e5725ba1e

Aliases

arxiv: 2112.10889 · arxiv_version: 2112.10889v1 · doi: 10.48550/arxiv.2112.10889 · pith_short_12: GYIXG7GEAN6Y · pith_short_16: GYIXG7GEAN6YAMQS · pith_short_8: GYIXG7GE

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/GYIXG7GEAN6YAMQS43VW4VQ6VR \
  | 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: 3611737cc4037d803212e6eb6e561eac4e2569d80b4b815b564f094e5725ba1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "127e11635dc0c8b416858d2b5c95e584a3fa8dc52dc3ea1e4f927fcd498cdd4d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-12-20T22:30:11Z",
    "title_canon_sha256": "965bf79c541fe953932b018d2957710f02a8cbf47714bcdc54900aa854a41104"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10889",
    "kind": "arxiv",
    "version": 1
  }
}