Pith Number

pith:3LHC34ET

pith:2023:3LHC34ET3UFLWTXQBVMI22VTF4

not attested not anchored not stored refs pending

Detecting Abrupt Change of Channel Covariance Matrix in IRS-Assisted Communication

Chang Wen Chen, Dazhi He, Liang Liu, Runnan Liu, Wenjun Zhang, Yin Xu

arxiv:2310.17425 v1 · 2023-10-26 · 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{3LHC34ET3UFLWTXQBVMI22VTF4}

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	2026-07-05T07:05:33.673379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dace2df093dd0abb4ef00d588d6ab32f2473ef262fd2bfcfb87db0c1b6ac7840

Aliases

arxiv: 2310.17425 · arxiv_version: 2310.17425v1 · doi: 10.48550/arxiv.2310.17425 · pith_short_12: 3LHC34ET3UFL · pith_short_16: 3LHC34ET3UFLWTXQ · pith_short_8: 3LHC34ET

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/3LHC34ET3UFLWTXQBVMI22VTF4 \
  | 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: dace2df093dd0abb4ef00d588d6ab32f2473ef262fd2bfcfb87db0c1b6ac7840

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e5006676b9baef398fca51f6c9d51de25523c38d1e201a206308ac91cf0ff5c",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-10-26T14:30:31Z",
    "title_canon_sha256": "c7ded6a02f2f1b8866063b342b21d54617345f63ed7e3a023f10ee7b209c549a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.17425",
    "kind": "arxiv",
    "version": 1
  }
}