Pith Number

pith:S2DBE2SP

pith:2022:S2DBE2SPOKV6AUAOGQJWKFZQIF

not attested not anchored not stored refs pending

Channel Estimation with Hybrid Reconfigurable Intelligent Metasurfaces

George C Alexandropoulos, Haiyang Zhang, Idban Alamzadeh, Mohammadreza F Imani, Nir Shlezinger, Yonina C Eldar

arxiv:2206.03913 v2 · 2022-06-08 · 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{S2DBE2SPOKV6AUAOGQJWKFZQIF}

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	2026-07-05T04:47:42.091872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9686126a4f72abe0500e341365173041745ee0ee5850e1eb774357c8830cc14e

Aliases

arxiv: 2206.03913 · arxiv_version: 2206.03913v2 · doi: 10.48550/arxiv.2206.03913 · pith_short_12: S2DBE2SPOKV6 · pith_short_16: S2DBE2SPOKV6AUAO · pith_short_8: S2DBE2SP

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/S2DBE2SPOKV6AUAOGQJWKFZQIF \
  | 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: 9686126a4f72abe0500e341365173041745ee0ee5850e1eb774357c8830cc14e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ac643d9fc93866dac38d5f9e36080834f1197d57fe5b2534c55e59ae048116d",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-06-08T14:22:36Z",
    "title_canon_sha256": "bd8c2dd00c7cc75ef3d56b061742287858931c0b13e3c048af8fe2f4e7cfa472"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.03913",
    "kind": "arxiv",
    "version": 2
  }
}