Pith Number

pith:HPF4EUFX

pith:2025:HPF4EUFXMOU3KIPVQOJ6QWVWYQ

not attested not anchored not stored refs pending

Low-Complexity Channel Estimation for RIS-Assisted ISAC System

Chen Zhen, Li Jianqing, Zhang Haijun, Zhang Wei

arxiv:2504.01315 v1 · 2025-04-02 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPF4EUFXMOU3KIPVQOJ6QWVWYQ}

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	2026-07-05T10:43:12.820159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bcbc250b763a9b521f58393e85ab6c42f908d3c6d4a26debe729d6fdc0ba7d2

Aliases

arxiv: 2504.01315 · arxiv_version: 2504.01315v1 · doi: 10.48550/arxiv.2504.01315 · pith_short_12: HPF4EUFXMOU3 · pith_short_16: HPF4EUFXMOU3KIPV · pith_short_8: HPF4EUFX

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/HPF4EUFXMOU3KIPVQOJ6QWVWYQ \
  | 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: 3bcbc250b763a9b521f58393e85ab6c42f908d3c6d4a26debe729d6fdc0ba7d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e1534364f830a7601ee20b24099a2e059b14433545fe6680c7b94055d79482a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-04-02T02:57:05Z",
    "title_canon_sha256": "dc908df4da94bcfa49ca2fa4b503da15404e4ea01fd868e7f32dd3678d406261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01315",
    "kind": "arxiv",
    "version": 1
  }
}