Pith Number

pith:UZ667WW5

pith:2026:UZ667WW522OB47NFKPRNMCDJRP

not attested not anchored not stored refs pending

Passive AoA Estimation of COTS 5G NR Handsets from Uplink SRS: A Practical USRP-B210 Implementation

Azim Akhtarshenas, Ricardo N. Barrios-Mu\~noz

arxiv:2608.00080 v1 · 2026-07-29 · 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{UZ667WW522OB47NFKPRNMCDJRP}

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	2026-08-04T00:32:14.229345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a67defdaddd69c1e7da553e2d608698bc510891e8dbc6f998752dc22804d01bc

Aliases

arxiv: 2608.00080 · arxiv_version: 2608.00080v1 · doi: 10.48550/arxiv.2608.00080 · pith_short_12: UZ667WW522OB · pith_short_16: UZ667WW522OB47NF · pith_short_8: UZ667WW5

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/UZ667WW522OB47NFKPRNMCDJRP \
  | 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: a67defdaddd69c1e7da553e2d608698bc510891e8dbc6f998752dc22804d01bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9db2047b9a0b021cafba16c1a0dd96d06ba0690b7b9a948462a9046161e4467e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-07-29T14:54:45Z",
    "title_canon_sha256": "9b84af57513949af9d01b0c28b4be8708d3351d6c9aa36e72b9be2b739f85023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.00080",
    "kind": "arxiv",
    "version": 1
  }
}