Pith Number

pith:3IKSU2OX

pith:2026:3IKSU2OXW4B5FVVO4C7R2QOWGX

not attested not anchored not stored refs pending

Physics-informed reduced-order modelling with equivariant spectral submanifolds

Georg Maierhofer

arxiv:2608.04239 v1 · 2026-08-04 · cs.LG · cs.NA · math.DS · 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{3IKSU2OXW4B5FVVO4C7R2QOWGX}

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	2026-08-06T01:31:43.926360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da152a69d7b703d2d6aee0bf1d41d635f4ff960a2deb7286c91a1a0fb508fbc8

Aliases

arxiv: 2608.04239 · arxiv_version: 2608.04239v1 · doi: 10.48550/arxiv.2608.04239 · pith_short_12: 3IKSU2OXW4B5 · pith_short_16: 3IKSU2OXW4B5FVVO · pith_short_8: 3IKSU2OX

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/3IKSU2OXW4B5FVVO4C7R2QOWGX \
  | 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: da152a69d7b703d2d6aee0bf1d41d635f4ff960a2deb7286c91a1a0fb508fbc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "010baa665a623db5d056e37928febba45b83bdc3c091888e05254660879aa79a",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DS",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-04T21:30:32Z",
    "title_canon_sha256": "8ae6292450c47ba3faeda70ef30003e4d89626e79bdc3176ef106d0592471f8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.04239",
    "kind": "arxiv",
    "version": 1
  }
}