Pith Number

pith:SICFQUNJ

pith:2025:SICFQUNJJDVOF46SIKTFJAPPAF

not attested not anchored not stored refs pending

Affine Invariant Semi-Blind Receiver: Joint Channel Estimation and High-Order Signal Detection for Multiuser Massive MIMO-OFDM Systems

Ailing Xiao, Erdeng Zhang, Haoge Jia, Sheng Wu, Shuntian Zheng, Zhe Ji

arxiv:2507.21593 v1 · 2025-07-29 · 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{SICFQUNJJDVOF46SIKTFJAPPAF}

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	2026-07-05T11:45:02.822007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92045851a948eae2f3d242a65481ef01486ee8bf456ed5f2db6f0cb83c88b734

Aliases

arxiv: 2507.21593 · arxiv_version: 2507.21593v1 · doi: 10.48550/arxiv.2507.21593 · pith_short_12: SICFQUNJJDVO · pith_short_16: SICFQUNJJDVOF46S · pith_short_8: SICFQUNJ

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/SICFQUNJJDVOF46SIKTFJAPPAF \
  | 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: 92045851a948eae2f3d242a65481ef01486ee8bf456ed5f2db6f0cb83c88b734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13406c797bb6848c90b3e7bb520d5f5643c1730072f5a0ba9dbebcce6d22a051",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-07-29T08:47:57Z",
    "title_canon_sha256": "c490eaf62c43ff94ee4ce4d76c1dc83c2a142a3615d8fc7f0c6e488d76b3b652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21593",
    "kind": "arxiv",
    "version": 1
  }
}