Pith Number

pith:NJRHYQNP

pith:2013:NJRHYQNPTGE4FLVZM4ESGCFIHO

not attested not anchored not stored refs pending

Frequency Domain Min-Max Optimization of Noise-Shaping Delta-Sigma Modulators

Masaaki Nagahara, Yutaka Yamamoto

arxiv:1308.0650 v1 · 2013-08-03 · 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{NJRHYQNPTGE4FLVZM4ESGCFIHO}

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	2026-05-18T03:16:48.593900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a627c41af9989c2aeb967092308a83ba5b6282645215a1658040ec199ba39f7

Aliases

arxiv: 1308.0650 · arxiv_version: 1308.0650v1 · doi: 10.48550/arxiv.1308.0650 · pith_short_12: NJRHYQNPTGE4 · pith_short_16: NJRHYQNPTGE4FLVZ · pith_short_8: NJRHYQNP

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/NJRHYQNPTGE4FLVZM4ESGCFIHO \
  | 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: 6a627c41af9989c2aeb967092308a83ba5b6282645215a1658040ec199ba39f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2454c8a967b5c4011b58fe33f332b65c3dd402969bc41d3f8e22750c20792854",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-03T01:51:51Z",
    "title_canon_sha256": "8c186c937b7df59d17687949fb3f118b2b58c0a9213f9151668e2389ef4f9249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0650",
    "kind": "arxiv",
    "version": 1
  }
}