Pith Number

pith:P2LUII6I

pith:2014:P2LUII6INCM6QT2CEZIAJVBABI

not attested not anchored not stored refs pending

L-infinity Norm Design of Linear-phase Robust Broadband Beamformers using Constrained Optimization

D. J. Shpak, R. C. Nongpiur

arxiv:1402.3331 v1 · 2014-02-13 · cs.SY · 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{P2LUII6INCM6QT2CEZIAJVBABI}

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	2026-05-18T01:44:38.268873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e974423c86899e84f42265004d4200a28c573c3c4a571e0a5671f71929edce9

Aliases

arxiv: 1402.3331 · arxiv_version: 1402.3331v1 · doi: 10.48550/arxiv.1402.3331 · pith_short_12: P2LUII6INCM6 · pith_short_16: P2LUII6INCM6QT2C · pith_short_8: P2LUII6I

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/P2LUII6INCM6QT2CEZIAJVBABI \
  | 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: 7e974423c86899e84f42265004d4200a28c573c3c4a571e0a5671f71929edce9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "174a5f6fbc599dcf4324172faa299b81e80fde05b7f891ab60f637ef0ece5bb8",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2014-02-13T22:56:21Z",
    "title_canon_sha256": "d5ca3fd527ebc04a0317be4073e03d5aceb89ec138b7ba990569a29e42b3ca72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3331",
    "kind": "arxiv",
    "version": 1
  }
}