Pith Number

pith:FMT5RKLD

pith:2026:FMT5RKLDUXWO2ORRZ4CEW3PFG6

not attested not anchored not stored refs pending

Delayed Functional Observers for Output-Delayed Linear Systems

Hieu Trinh

arxiv:2606.09407 v1 · 2026-06-08 · eess.SY · cs.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{FMT5RKLDUXWO2ORRZ4CEW3PFG6}

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	2026-06-09T02:08:46.552077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b27d8a963a5eced3a31cf044b6de537b30c4342a03b398becaa0bd00a761c2a

Aliases

arxiv: 2606.09407 · arxiv_version: 2606.09407v1 · doi: 10.48550/arxiv.2606.09407 · pith_short_12: FMT5RKLDUXWO · pith_short_16: FMT5RKLDUXWO2ORR · pith_short_8: FMT5RKLD

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/FMT5RKLDUXWO2ORRZ4CEW3PFG6 \
  | 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: 2b27d8a963a5eced3a31cf044b6de537b30c4342a03b398becaa0bd00a761c2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "940da05f7fb900b9780f56536e624860ff0cfcf3fb72cf5fbc50758bb3ac99f5",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2026-06-08T12:24:52Z",
    "title_canon_sha256": "57c8ff08ac8cd4e49a2439a49c25164cf2b5f065cd79d2c9cd9bef4db0627be5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09407",
    "kind": "arxiv",
    "version": 1
  }
}