Pith Number

pith:VD4WECOK

pith:2026:VD4WECOKBWWQAP4MTRQDDBEXKN

not attested not anchored not stored refs pending

Constructing efficient channels for ideal observers using the conjugate gradient method

Weimin Zhou

arxiv:2605.29415 v1 · 2026-05-28 · eess.IV · cs.CV · cs.LG · eess.SP · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VD4WECOKBWWQAP4MTRQDDBEXKN}

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	2026-05-29T01:05:37.695940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8f96209ca0dad003f8c9c60318497536378594ca25f857a8d5f0c6f5dc1d4ee

Aliases

arxiv: 2605.29415 · arxiv_version: 2605.29415v1 · doi: 10.48550/arxiv.2605.29415 · pith_short_12: VD4WECOKBWWQ · pith_short_16: VD4WECOKBWWQAP4M · pith_short_8: VD4WECOK

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/VD4WECOKBWWQAP4MTRQDDBEXKN \
  | 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: a8f96209ca0dad003f8c9c60318497536378594ca25f857a8d5f0c6f5dc1d4ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8188c0641d9e6dc2dd14a99285c1edf768b9e9fd340ae0089a2f6c5ea42d76de",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "eess.SP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-05-28T06:04:00Z",
    "title_canon_sha256": "f4e325d1cf6393dc85b21e89cd7a9b5246dd8b239bb329c821183066d80ce92a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29415",
    "kind": "arxiv",
    "version": 1
  }
}