Pith Number

pith:VKJFZ3II

pith:2013:VKJFZ3II6HGBSHDAAEGOUYCGGE

not attested not anchored not stored refs pending

H-Infinity-Optimal Fractional Delay Filters

Masaaki Nagahara, Yutaka Yamamoto

arxiv:1308.0797 v1 · 2013-08-04 · 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{VKJFZ3II6HGBSHDAAEGOUYCGGE}

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	2026-05-18T01:48:24.113534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa925ced08f1cc191c60010cea6046311ea0d97104f5cb107ac08a546c2e6d05

Aliases

arxiv: 1308.0797 · arxiv_version: 1308.0797v1 · doi: 10.48550/arxiv.1308.0797 · pith_short_12: VKJFZ3II6HGB · pith_short_16: VKJFZ3II6HGBSHDA · pith_short_8: VKJFZ3II

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/VKJFZ3II6HGBSHDAAEGOUYCGGE \
  | 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: aa925ced08f1cc191c60010cea6046311ea0d97104f5cb107ac08a546c2e6d05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "421d84733d6134718854e6823533f971ea23da653862e052d34e005e2a42afeb",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-04T12:00:29Z",
    "title_canon_sha256": "982b6b51347d451995e050d865e83e31912257a1f33b70efd2f4d6230d30f3c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0797",
    "kind": "arxiv",
    "version": 1
  }
}