Pith Number

pith:HIHA5XWM

pith:2018:HIHA5XWM6QXMZNG7UY5IDJFEFX

not attested not anchored not stored refs pending

Non-intrusive inference reduced order model for fluids using linear multistep neural network

Clayton G. Webster, Guannan Zhang, Xuping Xie

arxiv:1809.07820 v2 · 2018-09-20 · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HIHA5XWM6QXMZNG7UY5IDJFEFX}

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	2026-05-17T23:59:14.261886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a0e0edeccf42eccb4dfa63a81a4a42dd0f5295b34d5eb2394f7ca4b3ddf9360

Aliases

arxiv: 1809.07820 · arxiv_version: 1809.07820v2 · doi: 10.48550/arxiv.1809.07820 · pith_short_12: HIHA5XWM6QXM · pith_short_16: HIHA5XWM6QXMZNG7 · pith_short_8: HIHA5XWM

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/HIHA5XWM6QXMZNG7UY5IDJFEFX \
  | 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: 3a0e0edeccf42eccb4dfa63a81a4a42dd0f5295b34d5eb2394f7ca4b3ddf9360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4c376d7b77ac86da833b3f4965d48900526be31b785ba8f8fdccb7053f1187a",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-09-20T19:40:22Z",
    "title_canon_sha256": "c72ee0ea2de7504dc2556293579a1aa4ce4a33f3a31dc4df2e24ba21a9a71c66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07820",
    "kind": "arxiv",
    "version": 2
  }
}