Pith Number

pith:RI5CNT7Z

pith:2025:RI5CNT7ZTZ6TZZDOCM3OYRKBZ6

not attested not anchored not stored refs pending

PFEM-GP-dPHS : a finite element framework for combining Gaussian processes and infinite-dimensional port-Hamiltonian systems

Denis Matignon, Florian Courteville (ILL, Iain Henderson, KTH), Sylvain Dubreuil

arxiv:2512.13163 v2 · 2025-12-15 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RI5CNT7ZTZ6TZZDOCM3OYRKBZ6}

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	2026-05-28T01:04:34.316710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a3a26cff99e7d3ce46e1336ec4541cfac5a4cddd1386f15415a75d628052b1e

Aliases

arxiv: 2512.13163 · arxiv_version: 2512.13163v2 · doi: 10.48550/arxiv.2512.13163 · pith_short_12: RI5CNT7ZTZ6T · pith_short_16: RI5CNT7ZTZ6TZZDO · pith_short_8: RI5CNT7Z

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/RI5CNT7ZTZ6TZZDOCM3OYRKBZ6 \
  | 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: 8a3a26cff99e7d3ce46e1336ec4541cfac5a4cddd1386f15415a75d628052b1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faea7e172b02c0bd66b3cb6da07a8be88267f88c4967cc0ad35fb075ab381f1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-12-15T10:21:26Z",
    "title_canon_sha256": "b6a9947267dca09566a437b825f0783983a80fbbab8b7bab0e18393a462e826c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.13163",
    "kind": "arxiv",
    "version": 2
  }
}