Pith Number

pith:AJDNL2UP

pith:2026:AJDNL2UPYJ32PQI4YK2EHUQO3I

not attested not anchored not stored refs pending

Reciprocity Calibration of Dual-Antenna Repeaters via MMSE Estimation

Erik G. Larsson, Hideki Ochiai, Hiroki Iimori, Shoma Hara, Takumi Takahashi

arxiv:2602.05724 v1 · 2026-02-05 · eess.SP · cs.IT · 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{AJDNL2UPYJ32PQI4YK2EHUQO3I}

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	2026-07-28T01:22:29.134435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0246d5ea8fc277a7c11cc2b443d20eda0209d3a9c9707f66b7deb5134eff886e

Aliases

arxiv: 2602.05724 · arxiv_version: 2602.05724v1 · doi: 10.48550/arxiv.2602.05724 · pith_short_12: AJDNL2UPYJ32 · pith_short_16: AJDNL2UPYJ32PQI4 · pith_short_8: AJDNL2UP

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/AJDNL2UPYJ32PQI4YK2EHUQO3I \
  | 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: 0246d5ea8fc277a7c11cc2b443d20eda0209d3a9c9707f66b7deb5134eff886e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6134d7c084c708e87e7c12389e493d695ad1049ef505c4332cdbd5eb96ba66b0",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-02-05T14:49:06Z",
    "title_canon_sha256": "2a960ca4c9f0fbba3b375b37342994153844e03959c6bab0c2783a23b29c8c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.05724",
    "kind": "arxiv",
    "version": 1
  }
}