Pith Number

pith:XPDVIO2N

pith:2010:XPDVIO2NA6EFVSUL3FQAGWWXZ2

not attested not anchored not stored refs pending

Minimum Variance Multi-Frequency Distortionless Restriction for Digital Wideband Beamformer

Jia Xu, Qun Wan, Yingning Peng, Yipeng Liu

arxiv:1005.3350 v2 · 2010-05-19 · 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{XPDVIO2NA6EFVSUL3FQAGWWXZ2}

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	2026-05-18T04:19:43.748548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbc7543b4d07885aca8bd960035ad7ceab07a82fa7af33dd0f67aae1cbcc9adc

Aliases

arxiv: 1005.3350 · arxiv_version: 1005.3350v2 · doi: 10.48550/arxiv.1005.3350 · pith_short_12: XPDVIO2NA6EF · pith_short_16: XPDVIO2NA6EFVSUL · pith_short_8: XPDVIO2N

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/XPDVIO2NA6EFVSUL3FQAGWWXZ2 \
  | 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: bbc7543b4d07885aca8bd960035ad7ceab07a82fa7af33dd0f67aae1cbcc9adc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3931fa0c60ae5890c730a20388327d45c82b5b7a0928dad9994ff1286737c249",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-05-19T02:07:50Z",
    "title_canon_sha256": "388dbdb4c8e8569e2236b7b89e57a696609c174378a989183a23992d36eca1b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3350",
    "kind": "arxiv",
    "version": 2
  }
}