Pith Number

pith:OF2TSIOI

pith:2024:OF2TSIOI4NPEGQYXAIFJMIAWA7

not attested not anchored not stored refs pending

AFDM Channel Estimation in Multi-Scale Multi-Lag Channels

Deqing Wang, Jiangbin Lyu, Liqun Fu, Rongyou Cao, Yuheng Zhong

arxiv:2405.02660 v2 · 2024-05-04 · cs.IT · eess.SP · 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{OF2TSIOI4NPEGQYXAIFJMIAWA7}

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	2026-07-05T10:58:16.040886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71753921c8e35e434317020a96201607d731a9bcdfd8b2ccf586bf630a7e6004

Aliases

arxiv: 2405.02660 · arxiv_version: 2405.02660v2 · doi: 10.48550/arxiv.2405.02660 · pith_short_12: OF2TSIOI4NPE · pith_short_16: OF2TSIOI4NPEGQYX · pith_short_8: OF2TSIOI

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/OF2TSIOI4NPEGQYXAIFJMIAWA7 \
  | 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: 71753921c8e35e434317020a96201607d731a9bcdfd8b2ccf586bf630a7e6004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60a2ae73b918af8963892344c6995b7c128e691e12f1f277530bb96e16476277",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-05-04T13:01:04Z",
    "title_canon_sha256": "e2d9c7a090150734543cb825b945fdfdab707cfac9f93f84f19200338fc79c14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.02660",
    "kind": "arxiv",
    "version": 2
  }
}