Pith Number

pith:TR4WFNBT

pith:2011:TR4WFNBTRDCBLMH5ZPTII74KVL

not attested not anchored not stored refs pending

Sparsity Enhanced Decision Feedback Equalization

Jovana Ilic, Thomas Strohmer

arxiv:1103.5542 v2 · 2011-03-29 · 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{TR4WFNBTRDCBLMH5ZPTII74KVL}

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	2026-05-18T02:02:43.711432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c7962b43388c415b0fdcbe6847f8aaac27654a30ef63af3b06ce138fab2b49e

Aliases

arxiv: 1103.5542 · arxiv_version: 1103.5542v2 · doi: 10.48550/arxiv.1103.5542 · pith_short_12: TR4WFNBTRDCB · pith_short_16: TR4WFNBTRDCBLMH5 · pith_short_8: TR4WFNBT

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/TR4WFNBTRDCBLMH5ZPTII74KVL \
  | 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: 9c7962b43388c415b0fdcbe6847f8aaac27654a30ef63af3b06ce138fab2b49e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2edd23b3e4f220b9c3effb3fe0c9bfa815f9df6bd3997dc07e481600bf5cffaf",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-03-29T04:33:44Z",
    "title_canon_sha256": "d99790940cbffc107468c173d078ae89d9e71929417455b9bf8ccc02a3af39fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5542",
    "kind": "arxiv",
    "version": 2
  }
}