Pith Number

pith:GJG2I4PO

pith:2026:GJG2I4POMBSGI3GCL7LGYFPPDY

not attested not anchored not stored refs pending

Weighted Flow Matching and Physics-Informed Nonlinear Filtering for Parameter Estimation in Digital Twins

Daniele Venturi, Himadri Basu, Ricardo G. Sanfelice, Yasar Yanik

arxiv:2605.17146 v1 · 2026-05-16 · cs.CE · cs.LG · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJG2I4POMBSGI3GCL7LGYFPPDY}

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	2026-05-20T00:03:42.114699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

324da471ee6064646cc25fd66c15ef1e389200766ce4c455527fec20314406d1

Aliases

arxiv: 2605.17146 · arxiv_version: 2605.17146v1 · doi: 10.48550/arxiv.2605.17146 · pith_short_12: GJG2I4POMBSG · pith_short_16: GJG2I4POMBSGI3GC · pith_short_8: GJG2I4PO

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/GJG2I4POMBSGI3GCL7LGYFPPDY \
  | 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: 324da471ee6064646cc25fd66c15ef1e389200766ce4c455527fec20314406d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e3099a498d5647c5b0fe4e4e660abbd59f1519ff84c9de3bc79400ad9e331a9",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2026-05-16T20:31:29Z",
    "title_canon_sha256": "924211f922658ed88c4aaf5998b66d63455ac685a1b0f4ea794052649ed4fe98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17146",
    "kind": "arxiv",
    "version": 1
  }
}