Pith Number

pith:DIY5C7QY

pith:2009:DIY5C7QYKFZLTDRGW7QECJ7WKV

not attested not anchored not stored refs pending

Detection of Gaussian signals via hexagonal sensor networks

Benedetto Piccoli, Paolo Frasca, Paolo Mason

arxiv:0902.2446 v4 · 2009-02-14 · math.OC · cs.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DIY5C7QYKFZLTDRGW7QECJ7WKV}

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	2026-05-18T04:17:04.713388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a31d17e185172b98e26b7e04127f65549a199580e9d33724e5f169340399351

Aliases

arxiv: 0902.2446 · arxiv_version: 0902.2446v4 · doi: 10.48550/arxiv.0902.2446 · pith_short_12: DIY5C7QYKFZL · pith_short_16: DIY5C7QYKFZLTDRG · pith_short_8: DIY5C7QY

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/DIY5C7QYKFZLTDRGW7QECJ7WKV \
  | 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: 1a31d17e185172b98e26b7e04127f65549a199580e9d33724e5f169340399351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "880018d46304eb285b9a15b9ac05b8a8b9368a3937d7d69a124b0d554411a4f2",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2009-02-14T09:32:57Z",
    "title_canon_sha256": "e00326f6017d2e83f6c0aae1b48e462de6c202accf82ffd6e60a66421b0e2c05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2446",
    "kind": "arxiv",
    "version": 4
  }
}