Pith Number

pith:2G4P4TLX

pith:2022:2G4P4TLXQJ4XCQ5JRE3FV56EJE

not attested not anchored not stored refs pending

Widely-Linear MMSE Estimation of Complex-Valued Graph Signals

Alon Amar, Tirza Routtenberg

arxiv:2208.10588 v2 · 2022-08-22 · 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{2G4P4TLXQJ4XCQ5JRE3FV56EJE}

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	2026-07-05T09:26:16.266556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1b8fe4d7782797143a989365af7c4492eae6be2e1011e3c3c3e4f27c42d928d

Aliases

arxiv: 2208.10588 · arxiv_version: 2208.10588v2 · doi: 10.48550/arxiv.2208.10588 · pith_short_12: 2G4P4TLXQJ4X · pith_short_16: 2G4P4TLXQJ4XCQ5J · pith_short_8: 2G4P4TLX

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/2G4P4TLXQJ4XCQ5JRE3FV56EJE \
  | 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: d1b8fe4d7782797143a989365af7c4492eae6be2e1011e3c3c3e4f27c42d928d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "851f25f49a2afecf65148152450da8a0c633f3611e94671e3434dfccabdd43ea",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-08-22T20:41:08Z",
    "title_canon_sha256": "aa8d2bb61b9075315ec1224bbe8e0409a027358747280f2edcb3ce7ea6f2a2de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.10588",
    "kind": "arxiv",
    "version": 2
  }
}