Pith Number

pith:LV2V4TVV

pith:2025:LV2V4TVVZ2UGUCTZH45WD55444

not attested not anchored not stored refs pending

Low-Complexity Channel Estimation for RIS-Assisted Multi-User Wireless Communications

Arman Shojaeifard, Ibrahim Hemadeh, Lajos Hanzo, Mohammed EL-Hajjar, Qingchao Li

arxiv:2501.12773 v1 · 2025-01-22 · 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{LV2V4TVVZ2UGUCTZH45WD55444}

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	2026-07-05T10:03:58.443780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d755e4eb5cea86a0a793f3b61f7bce71936c93c45c857e1d890588daefb4f27

Aliases

arxiv: 2501.12773 · arxiv_version: 2501.12773v1 · doi: 10.48550/arxiv.2501.12773 · pith_short_12: LV2V4TVVZ2UG · pith_short_16: LV2V4TVVZ2UGUCTZ · pith_short_8: LV2V4TVV

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/LV2V4TVVZ2UGUCTZH45WD55444 \
  | 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: 5d755e4eb5cea86a0a793f3b61f7bce71936c93c45c857e1d890588daefb4f27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e5629a187d74be3fb008c63aeb05911037fa4af930dddc986fedbc090f2716a",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-01-22T10:16:00Z",
    "title_canon_sha256": "d052c13c729c96f00128b8eb06124594c9a4586e17cdfa832e8f644ccf67e4d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12773",
    "kind": "arxiv",
    "version": 1
  }
}