Pith Number

pith:HGOA54XA

pith:2014:HGOA54XA7JONIVVCSOERNSK7MB

not attested not anchored not stored refs pending

FIR Digital Filter Design by Sampled-Data H-infinity Discretization

Masaaki Nagahara, Yutaka Yamamoto

arxiv:1407.2415 v1 · 2014-07-09 · cs.IT · cs.SY · math.IT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGOA54XA7JONIVVCSOERNSK7MB}

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	2026-05-18T02:48:01.621079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

399c0ef2e0fa5cd456a2938916c95f6057b1b47f6d59c2be5a45b1a7188275af

Aliases

arxiv: 1407.2415 · arxiv_version: 1407.2415v1 · doi: 10.48550/arxiv.1407.2415 · pith_short_12: HGOA54XA7JON · pith_short_16: HGOA54XA7JONIVVC · pith_short_8: HGOA54XA

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/HGOA54XA7JONIVVCSOERNSK7MB \
  | 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: 399c0ef2e0fa5cd456a2938916c95f6057b1b47f6d59c2be5a45b1a7188275af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab036a6917d74f3cef7093b69f6e9cd8e63a7a48125137834a2f5217a2e1a554",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-09T10:05:21Z",
    "title_canon_sha256": "1800f27290112001038c197a34d3049831146b30f9c3f60e907a71c20d24c9c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2415",
    "kind": "arxiv",
    "version": 1
  }
}