Pith Number

pith:ESC2EDF3

pith:2015:ESC2EDF3XNODF44I7KGLLQDNUC

not attested not anchored not stored refs pending

Control approach to computing the feedback capacity for stationary finite dimensional Gaussian channels

Chong Li, Nicola Elia

arxiv:1511.09440 v1 · 2015-11-30 · 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{ESC2EDF3XNODF44I7KGLLQDNUC}

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	2026-05-18T01:25:40.270419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2485a20cbbbb5c32f388fa8cb5c06da0aae6a58edaa71e3f2ecca3afec1b0309

Aliases

arxiv: 1511.09440 · arxiv_version: 1511.09440v1 · doi: 10.48550/arxiv.1511.09440 · pith_short_12: ESC2EDF3XNOD · pith_short_16: ESC2EDF3XNODF44I · pith_short_8: ESC2EDF3

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/ESC2EDF3XNODF44I7KGLLQDNUC \
  | 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: 2485a20cbbbb5c32f388fa8cb5c06da0aae6a58edaa71e3f2ecca3afec1b0309

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ca4e887e2fc390de529b847cff0a1140d0033f4309e49e21a043393a2ae04c2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-11-30T19:45:10Z",
    "title_canon_sha256": "5247ef25629876a5ed595f07fb57fa5f801df392aa564ff792c6925ea17a4fc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.09440",
    "kind": "arxiv",
    "version": 1
  }
}