Pith Number

pith:QOWO7ZWG

pith:2017:QOWO7ZWGJRYQJDQHRZ2S2DLWXA

not attested not anchored not stored refs pending

Model order reduction for random nonlinear dynamical systems and low-dimensional representations for their quantities of interest

Roland Pulch

arxiv:1704.02284 v2 · 2017-04-07 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOWO7ZWGJRYQJDQHRZ2S2DLWXA}

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	2026-05-17T23:48:47.773830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83acefe6c64c71048e078e752d0d76b8246e2fad0102fd92f892f979ff1dcd55

Aliases

arxiv: 1704.02284 · arxiv_version: 1704.02284v2 · doi: 10.48550/arxiv.1704.02284 · pith_short_12: QOWO7ZWGJRYQ · pith_short_16: QOWO7ZWGJRYQJDQH · pith_short_8: QOWO7ZWG

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/QOWO7ZWGJRYQJDQHRZ2S2DLWXA \
  | 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: 83acefe6c64c71048e078e752d0d76b8246e2fad0102fd92f892f979ff1dcd55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2afe545ea9c777b1593d28d68d6e91f349e9d31019925f6070061879a449c77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-07T16:37:17Z",
    "title_canon_sha256": "f6167dca903c135089c5a91c87ba336887f03cc3cfa0452b336e2dfc9b00ec37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02284",
    "kind": "arxiv",
    "version": 2
  }
}