Pith Number

pith:MEMIOOTH

pith:2013:MEMIOOTHQ3VZQYZ3CV7LCHOYUB

not attested not anchored not stored refs pending

Noise Weighting in the Design of {\Delta}{\Sigma} Modulators (with a Psychoacoustic Coder as an Example)

Federico Bizzarri, Sergio Callegari

arxiv:1309.6151 v1 · 2013-09-24 · 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{MEMIOOTHQ3VZQYZ3CV7LCHOYUB}

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	2026-05-18T03:12:23.709622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6118873a6786eb98633b157eb11dd8a06c06b9538624144014b28305087f956b

Aliases

arxiv: 1309.6151 · arxiv_version: 1309.6151v1 · doi: 10.48550/arxiv.1309.6151 · pith_short_12: MEMIOOTHQ3VZ · pith_short_16: MEMIOOTHQ3VZQYZ3 · pith_short_8: MEMIOOTH

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/MEMIOOTHQ3VZQYZ3CV7LCHOYUB \
  | 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: 6118873a6786eb98633b157eb11dd8a06c06b9538624144014b28305087f956b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d79d1321035f52adfc94e70058f2dad7786f6288f66502a8e3919a51380d7323",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-24T13:27:53Z",
    "title_canon_sha256": "075e5d275bd1554300d43ad61c5979aa239f318752b83245ae3b627d6d3ecfde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6151",
    "kind": "arxiv",
    "version": 1
  }
}