Pith Number

pith:2CENK5B4

pith:2014:2CENK5B4HN6I4FJ3SRASFXK5LG

not attested not anchored not stored refs pending

Improved Design Method for Nearly Linear-Phase IIR Filters Using Constrained Optimization

A. Antoniou, D. J. Shpak, R. C. Nongpiur

arxiv:1402.3352 v1 · 2014-02-14 · 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{2CENK5B4HN6I4FJ3SRASFXK5LG}

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	2026-05-18T00:57:52.223920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d088d5743c3b7c8e153b944122dd5d59a9868f37bf3a432f8f6ee2a4a6ad86da

Aliases

arxiv: 1402.3352 · arxiv_version: 1402.3352v1 · doi: 10.48550/arxiv.1402.3352 · pith_short_12: 2CENK5B4HN6I · pith_short_16: 2CENK5B4HN6I4FJ3 · pith_short_8: 2CENK5B4

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/2CENK5B4HN6I4FJ3SRASFXK5LG \
  | 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: d088d5743c3b7c8e153b944122dd5d59a9868f37bf3a432f8f6ee2a4a6ad86da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "984b37fe6789fc7e4c05196678b10f078ca9fa9e837a299c48e2db2c21735deb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2014-02-14T03:07:52Z",
    "title_canon_sha256": "c63cc15fc57b8b80c537e063eef62bc3fdd14117f1a6aad59f86b23e014a7a00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3352",
    "kind": "arxiv",
    "version": 1
  }
}