Pith Number

pith:POQ6KHYH

pith:2019:POQ6KHYHTTO6C3DXY5AMYTI6T5

not attested not anchored not stored refs pending

Deep learning observables in computational fluid dynamics

Deep Ray, Kjetil O. Lye, Siddhartha Mishra

arxiv:1903.03040 v2 · 2019-03-07 · physics.comp-ph · cs.LG · cs.NA · math.NA · physics.flu-dyn · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POQ6KHYHTTO6C3DXY5AMYTI6T5}

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	2026-07-05T00:56:24.183809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba1e51f079cdde16c77c740cc4d1e9f7bb9818fd9958c00f97b71aacebe3b5d

Aliases

arxiv: 1903.03040 · arxiv_version: 1903.03040v2 · doi: 10.48550/arxiv.1903.03040 · pith_short_12: POQ6KHYHTTO6 · pith_short_16: POQ6KHYHTTO6C3DX · pith_short_8: POQ6KHYH

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/POQ6KHYHTTO6C3DXY5AMYTI6T5 \
  | 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: 7ba1e51f079cdde16c77c740cc4d1e9f7bb9818fd9958c00f97b71aacebe3b5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a198e952c92332355fbecf9523b8a9e3de4187920e64cc696e5371d30261cc2",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA",
      "physics.flu-dyn",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-03-07T16:57:52Z",
    "title_canon_sha256": "498400857eeff9a1297cc7a41723c3b2091cef6cc464b34ac26f42161658766a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03040",
    "kind": "arxiv",
    "version": 2
  }
}