Pith Number

pith:OC5SD3VT

pith:2019:OC5SD3VTGGTTJLF3TFMFTO3FIZ

not attested not anchored not stored refs pending

Iterative Channel Estimation for Discrete Denoising under Channel Uncertainty

Hongjoon Ahn, Taesup Moon

arxiv:1902.08921 v2 · 2019-02-24 · cs.LG · cs.AI · 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{OC5SD3VTGGTTJLF3TFMFTO3FIZ}

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	2026-05-17T23:44:55.207414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70bb21eeb331a734acbb995859bb654653c440385f91327aaf02b7d2d105ede9

Aliases

arxiv: 1902.08921 · arxiv_version: 1902.08921v2 · doi: 10.48550/arxiv.1902.08921 · pith_short_12: OC5SD3VTGGTT · pith_short_16: OC5SD3VTGGTTJLF3 · pith_short_8: OC5SD3VT

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/OC5SD3VTGGTTJLF3TFMFTO3FIZ \
  | 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: 70bb21eeb331a734acbb995859bb654653c440385f91327aaf02b7d2d105ede9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a7f887aaf6ce623793c83fd7c66b38b586ccbdabf53314e2880a7ee25af16e4",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-24T10:58:39Z",
    "title_canon_sha256": "fa58388e03977fa30c8827551121b7530992dd5e9af5573b6beac332586ac92f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08921",
    "kind": "arxiv",
    "version": 2
  }
}