Pith Number

pith:5DYHWTBD

pith:2025:5DYHWTBDV7YG2Y3FYHHFQD3D5S

not attested not anchored not stored refs pending

SCDM: Score-Based Channel Denoising Model for Digital Semantic Communications

Hao Chen, Hao Mo, Meixia Tao, Nan Ma, Shuguang Cui, Shumin Yao, Xiaodong Xu, Yaping Sun, Zhiyong Chen

arxiv:2501.17876 v3 · 2025-01-18 · eess.SP · 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{5DYHWTBDV7YG2Y3FYHHFQD3D5S}

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	2026-07-05T11:26:47.131957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8f07b4c23aff06d6365c1ce580f63ec8a70d7d31863cc1e6223f985e20020e3

Aliases

arxiv: 2501.17876 · arxiv_version: 2501.17876v3 · doi: 10.48550/arxiv.2501.17876 · pith_short_12: 5DYHWTBDV7YG · pith_short_16: 5DYHWTBDV7YG2Y3F · pith_short_8: 5DYHWTBD

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/5DYHWTBDV7YG2Y3FYHHFQD3D5S \
  | 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: e8f07b4c23aff06d6365c1ce580f63ec8a70d7d31863cc1e6223f985e20020e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c646dee8bde806696304076e7bc2530cac8f07a2d42f61342065183b716fcc0",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-01-18T05:56:38Z",
    "title_canon_sha256": "dec05ae8db5acce6b8a6a27030cc31b7e5b048e7db551a80a0cae402c7f5d8f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.17876",
    "kind": "arxiv",
    "version": 3
  }
}