Pith Number

pith:OOVVP3ZX

pith:2012:OOVVP3ZXJXL6K233TTO57RFXPW

not attested not anchored not stored refs pending

Reduced-Rank Adaptive Filtering Based on Joint Iterative Optimization of Adaptive Filters

Raimundo Sampaio-Neto, Rodrigo C. de Lamare

arxiv:1205.4390 v1 · 2012-05-20 · 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{OOVVP3ZXJXL6K233TTO57RFXPW}

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	2026-05-18T03:55:13.299877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73ab57ef374dd7e56b7b9cdddfc4b77da9b4a6a88a988a98d8f1554ddd697a9b

Aliases

arxiv: 1205.4390 · arxiv_version: 1205.4390v1 · doi: 10.48550/arxiv.1205.4390 · pith_short_12: OOVVP3ZXJXL6 · pith_short_16: OOVVP3ZXJXL6K233 · pith_short_8: OOVVP3ZX

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/OOVVP3ZXJXL6K233TTO57RFXPW \
  | 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: 73ab57ef374dd7e56b7b9cdddfc4b77da9b4a6a88a988a98d8f1554ddd697a9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "588b6ae76dbcf6405e7d2d52d6cf5c534d4b8d8b1f506f039d6cb901de20e3dc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-20T07:24:54Z",
    "title_canon_sha256": "cb4d4c6cc9157f5006ea696fa86126a9cbc8a8ffd025356713e1631bbc4af828"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4390",
    "kind": "arxiv",
    "version": 1
  }
}