Pith Number

pith:5GMA3H67

pith:2014:5GMA3H67VM6OBSTMRK2HEWC4FQ

not attested not anchored not stored refs pending

Coding of Stereo Signals by a Single Digital {\Delta}{\Sigma} Modulator

Sergio Callegari

arxiv:1409.7367 v1 · 2014-09-02 · 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{5GMA3H67VM6OBSTMRK2HEWC4FQ}

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	2026-05-18T02:41:58.574838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9980d9fdfab3ce0ca6c8ab472585c2c266b980f4519103b0e446aca2b3b83a3

Aliases

arxiv: 1409.7367 · arxiv_version: 1409.7367v1 · doi: 10.48550/arxiv.1409.7367 · pith_short_12: 5GMA3H67VM6O · pith_short_16: 5GMA3H67VM6OBSTM · pith_short_8: 5GMA3H67

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/5GMA3H67VM6OBSTMRK2HEWC4FQ \
  | 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: e9980d9fdfab3ce0ca6c8ab472585c2c266b980f4519103b0e446aca2b3b83a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc1ce8b283c2a75e9bac1a744d1a90ae3d1c884844e032e60e304db0c7eca704",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-09-02T08:45:00Z",
    "title_canon_sha256": "3b400c67c64cfa2db622265423b1b491b3867c15a23a11f5dc6c76d9b46e5ee2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7367",
    "kind": "arxiv",
    "version": 1
  }
}