Pith Number

pith:C3KAF7HQ

pith:2012:C3KAF7HQH352COWDKMBIXL5FPX

not attested not anchored not stored refs pending

Parameter Tracking via Optimal Distributed Beamforming in an Analog Sensor Network

A. Lee Swindlehurst, Feng Jiang, Jie Chen

arxiv:1205.0835 v4 · 2012-05-03 · 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{C3KAF7HQH352COWDKMBIXL5FPX}

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	2026-05-18T03:29:27.606441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16d402fcf03efba13ac353028bafa57dddfd15b9309485781afd0e65ba1811d4

Aliases

arxiv: 1205.0835 · arxiv_version: 1205.0835v4 · doi: 10.48550/arxiv.1205.0835 · pith_short_12: C3KAF7HQH352 · pith_short_16: C3KAF7HQH352COWD · pith_short_8: C3KAF7HQ

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/C3KAF7HQH352COWDKMBIXL5FPX \
  | 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: 16d402fcf03efba13ac353028bafa57dddfd15b9309485781afd0e65ba1811d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97cb9e5b465bf8eb35c02782631f03793b24b6582f868eabb24ad380cf1635b5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-03T23:28:38Z",
    "title_canon_sha256": "06d16fb93f5a148bd1c308659441b852916372c87ce813cb82fcae9c160599e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0835",
    "kind": "arxiv",
    "version": 4
  }
}