Pith Number

pith:WXJV7H2E

pith:2019:WXJV7H2ERNMMT6ZZUKHAUJPPEQ

not attested not anchored not stored refs pending

Learning physics-based reduced-order models for a single-injector combustion process

Boris Kramer, Cheng Huang, Karen Willcox, Renee Swischuk

arxiv:1908.03620 v4 · 2019-08-09 · physics.comp-ph · cs.LG · cs.SY · eess.SY · math.DS · 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{WXJV7H2ERNMMT6ZZUKHAUJPPEQ}

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.

Cited by

1 paper in Pith

Sampling low-dimensional Markovian dynamics for pre-asymptotically recovering reduced models from data with operator inference

Receipt and verification

First computed	2026-07-05T01:17:57.442057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5d35f9f448b58c9fb39a28e0a25ef2430f0fceaddaf574e31443394a33b7791

Aliases

arxiv: 1908.03620 · arxiv_version: 1908.03620v4 · doi: 10.48550/arxiv.1908.03620 · pith_short_12: WXJV7H2ERNMM · pith_short_16: WXJV7H2ERNMMT6ZZ · pith_short_8: WXJV7H2E

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/WXJV7H2ERNMMT6ZZUKHAUJPPEQ \
  | 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: b5d35f9f448b58c9fb39a28e0a25ef2430f0fceaddaf574e31443394a33b7791

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5bc73f36529d58dd72ec17659e1f00d0d295711c72a92faae5dac27bf52da7a",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SY",
      "eess.SY",
      "math.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-08-09T20:44:20Z",
    "title_canon_sha256": "fafbda212e1ee2fcb866afc7f5e882231cdfa5e6d10b5e43c207ad17ecbe3dfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03620",
    "kind": "arxiv",
    "version": 4
  }
}