Pith Number

pith:PQ22B7GR

pith:2020:PQ22B7GRKUYPLOKOQSQGM3M3AM

not attested not anchored not stored refs pending

Deep Multi-task Network for Delay Estimation and Echo Cancellation

Chengyun Deng, Hui Song, Shiqian Ma, Yi Zhang, Yongtao Sha

arxiv:2011.02109 v2 · 2020-11-04 · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ22B7GRKUYPLOKOQSQGM3M3AM}

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	2026-07-05T04:47:38.109513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c35a0fcd15530f5b94e84a0666d9b03324eb17d29766ddd7d95487cf88d9ff9

Aliases

arxiv: 2011.02109 · arxiv_version: 2011.02109v2 · doi: 10.48550/arxiv.2011.02109 · pith_short_12: PQ22B7GRKUYP · pith_short_16: PQ22B7GRKUYPLOKO · pith_short_8: PQ22B7GR

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/PQ22B7GRKUYPLOKOQSQGM3M3AM \
  | 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: 7c35a0fcd15530f5b94e84a0666d9b03324eb17d29766ddd7d95487cf88d9ff9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a0ef66c6aa1f747f8f8c30a47681676611b9f5f4ed55327cae94560b8428f67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2020-11-04T03:31:13Z",
    "title_canon_sha256": "94bb3d389d825692f7bbef27f663f88eb9b30dc9600d2a82f8c17a75800f5780"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.02109",
    "kind": "arxiv",
    "version": 2
  }
}