Pith Number

pith:MYV76MI4

pith:2021:MYV76MI4MJ6RQN4GC6FHEXLBMS

not attested not anchored not stored refs pending

Hybrid Reconfigurable Intelligent Metasurfaces: Enabling Simultaneous Tunable Reflections and Sensing for 6G Wireless Communications

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

arxiv:2104.04690 v4 · 2021-04-10 · 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{MYV76MI4MJ6RQN4GC6FHEXLBMS}

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	2026-07-05T06:53:02.373486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

662bff311c627d183786178a725d61649ccec9f488b9365f88df3a96e606ed96

Aliases

arxiv: 2104.04690 · arxiv_version: 2104.04690v4 · doi: 10.48550/arxiv.2104.04690 · pith_short_12: MYV76MI4MJ6R · pith_short_16: MYV76MI4MJ6RQN4G · pith_short_8: MYV76MI4

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/MYV76MI4MJ6RQN4GC6FHEXLBMS \
  | 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: 662bff311c627d183786178a725d61649ccec9f488b9365f88df3a96e606ed96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e0fc29a6a27159e66822cf2990eaba4a8ebefab9a255bd778542c7a8709bc02",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-04-10T05:53:00Z",
    "title_canon_sha256": "fa91b658f00b6ad9d4f98bf8c9e812e486a5597f148e381594c868d8d078ac51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04690",
    "kind": "arxiv",
    "version": 4
  }
}