Pith Number

pith:HANJ7JSI

pith:2025:HANJ7JSIQ2B3ARAOGJLOGP7ZDH

not attested not anchored not stored refs pending

Piecewise Beam Training and Channel Estimation for RIS-Aided Near-Field Communications

Jeongjae Lee, Songnam Hong

arxiv:2501.02985 v2 · 2025-01-06 · 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{HANJ7JSIQ2B3ARAOGJLOGP7ZDH}

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	2026-07-05T10:54:41.337219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

381a9fa6488683b0440e3256e33ff919dc632ab877bae5edbe1a75d67c1be60c

Aliases

arxiv: 2501.02985 · arxiv_version: 2501.02985v2 · doi: 10.48550/arxiv.2501.02985 · pith_short_12: HANJ7JSIQ2B3 · pith_short_16: HANJ7JSIQ2B3ARAO · pith_short_8: HANJ7JSI

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/HANJ7JSIQ2B3ARAOGJLOGP7ZDH \
  | 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: 381a9fa6488683b0440e3256e33ff919dc632ab877bae5edbe1a75d67c1be60c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82a2d422f72c6019fc940f045359b7cc7963466b681a283c03f9d976e0d2f14b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-01-06T12:53:24Z",
    "title_canon_sha256": "46241178f0f1b85083d135cdaa47964f19840687e0878c52401b59a48ee863a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02985",
    "kind": "arxiv",
    "version": 2
  }
}