Pith Number

pith:BLETIQM5

pith:2013:BLETIQM5Q3GB2QW33BP5KOYIBA

not attested not anchored not stored refs pending

Min-Max Design of FIR Digital Filters by Semidefinite Programming

Masaaki Nagahara

arxiv:1308.2013 v1 · 2013-08-09 · 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{BLETIQM5Q3GB2QW33BP5KOYIBA}

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	2026-05-18T03:16:18.460835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ac934419d86cc1d42dbd85fd53b08081ad6ff56044ffd1a49491c1aa57c3186

Aliases

arxiv: 1308.2013 · arxiv_version: 1308.2013v1 · doi: 10.48550/arxiv.1308.2013 · pith_short_12: BLETIQM5Q3GB · pith_short_16: BLETIQM5Q3GB2QW3 · pith_short_8: BLETIQM5

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/BLETIQM5Q3GB2QW33BP5KOYIBA \
  | 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: 0ac934419d86cc1d42dbd85fd53b08081ad6ff56044ffd1a49491c1aa57c3186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acc354417b23dc7b2519e0f2bdbc652a821da7c207393aefec76eb55cf63fce9",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-09T01:52:28Z",
    "title_canon_sha256": "a948d6d78bf0df37e2300f1b9331181da86fcbbfd918d70a39278afd2068553f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2013",
    "kind": "arxiv",
    "version": 1
  }
}