Pith Number

pith:BKF2EPK6

pith:2022:BKF2EPK6DBYTNPZW3WFEIAU7PB

not attested not anchored not stored refs pending

Differential Polarization Shift Keying Through Reconfigurable Intelligent Surfaces

Emad Ibrahim, Jaap van de Beek, Rickard Nilsson

arxiv:2201.12226 v2 · 2022-01-28 · 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{BKF2EPK6DBYTNPZW3WFEIAU7PB}

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	2026-07-05T04:31:12.048364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a8ba23d5e187136bf36dd8a44029f78536caf70e18db56c1c7a0081e41d72b3

Aliases

arxiv: 2201.12226 · arxiv_version: 2201.12226v2 · doi: 10.48550/arxiv.2201.12226 · pith_short_12: BKF2EPK6DBYT · pith_short_16: BKF2EPK6DBYTNPZW · pith_short_8: BKF2EPK6

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/BKF2EPK6DBYTNPZW3WFEIAU7PB \
  | 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: 0a8ba23d5e187136bf36dd8a44029f78536caf70e18db56c1c7a0081e41d72b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5797846bfdb8ed773453a2addcc2c76a7aa9dc475fb067167bf6cd1ded49c411",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-01-28T16:28:50Z",
    "title_canon_sha256": "2b9d25a937f662400414aea0f3d772ce7d2f6e23fa02ada75e1dff49088ca86f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.12226",
    "kind": "arxiv",
    "version": 2
  }
}