Pith Number

pith:RKOA375F

pith:2025:RKOA375FTRMRXJX7FSZG2QV4KG

not attested not anchored not stored refs pending

Exact Dimensional Reduction for Quasi-Linear ODE Ensembles

Erik Andreas Martens, Felix Augustsson, Rok Cestnik

arxiv:2509.18755 v1 · 2025-09-23 · nlin.AO · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKOA375FTRMRXJX7FSZG2QV4KG}

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	2026-05-17T23:39:01.138071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a9c0dffa59c591ba6ff2cb26d42bc51a13821a6eba155e95dbde907ea298233

Aliases

arxiv: 2509.18755 · arxiv_version: 2509.18755v1 · doi: 10.48550/arxiv.2509.18755 · pith_short_12: RKOA375FTRMR · pith_short_16: RKOA375FTRMRXJX7 · pith_short_8: RKOA375F

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/RKOA375FTRMRXJX7FSZG2QV4KG \
  | 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: 8a9c0dffa59c591ba6ff2cb26d42bc51a13821a6eba155e95dbde907ea298233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64e0354f22a7e7c177549ad0bb597a6c54246908eb33bad1db6b1067251971aa",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.AO",
    "submitted_at": "2025-09-23T07:50:18Z",
    "title_canon_sha256": "3d8495d19ea7979b9c92c1ebc0848ff1cc8c54b50e0d1d49a3c5e943148b55d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.18755",
    "kind": "arxiv",
    "version": 1
  }
}