Pith Number

pith:3I4LPU2J

pith:2018:3I4LPU2JNEAACCIUB6VRL62JHW

not attested not anchored not stored refs pending

Revisit of the Eigenfilter Method for the Design of FIR Filters and Wideband Beamformers

Ahsan Raza, Wei Liu

arxiv:1809.07348 v1 · 2018-09-19 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3I4LPU2JNEAACCIUB6VRL62JHW}

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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	2026-05-18T00:05:18.735975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da38b7d34969000109140fab15fb493d9f8210cbb28fa29e65512a47a6b98a20

Aliases

arxiv: 1809.07348 · arxiv_version: 1809.07348v1 · doi: 10.48550/arxiv.1809.07348 · pith_short_12: 3I4LPU2JNEAA · pith_short_16: 3I4LPU2JNEAACCIU · pith_short_8: 3I4LPU2J

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/3I4LPU2JNEAACCIUB6VRL62JHW \
  | 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: da38b7d34969000109140fab15fb493d9f8210cbb28fa29e65512a47a6b98a20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbdfef1d7d7e9de8b6ec7849e74e2ed2745cdd1c37250181098f1cd8e56ed3a6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-19T18:00:54Z",
    "title_canon_sha256": "4cab23a66360f2141de18e90b8ca4a2f2107cfebee5eab4f8e94d7bcd0c94833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07348",
    "kind": "arxiv",
    "version": 1
  }
}