Pith Number

pith:UW5EOGSF

pith:2017:UW5EOGSFSBD6OFNNJM2UMUX2NV

not attested not anchored not stored refs pending

Determining the Dimension of the Improper Signal Subspace in Complex-Valued Data

Christian Lameiro, Peter J. Schreier, Tanuj Hasija

arxiv:1707.01451 v1 · 2017-07-05 · 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{UW5EOGSFSBD6OFNNJM2UMUX2NV}

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	2026-05-18T00:33:16.683800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5ba471a459047e715ad4b354652fa6d43768b91afd1b3466a4f5c7a45f52a0a

Aliases

arxiv: 1707.01451 · arxiv_version: 1707.01451v1 · doi: 10.48550/arxiv.1707.01451 · pith_short_12: UW5EOGSFSBD6 · pith_short_16: UW5EOGSFSBD6OFNN · pith_short_8: UW5EOGSF

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/UW5EOGSFSBD6OFNNJM2UMUX2NV \
  | 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: a5ba471a459047e715ad4b354652fa6d43768b91afd1b3466a4f5c7a45f52a0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dee944d9da662a912ca81f9d367a19c697981f1b665b4e95c3e8a8bafcacb08b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-07-05T16:14:44Z",
    "title_canon_sha256": "b9f8c709e20e734c8f8083ee056966b71ba501d955038c1adde13fa750edf10c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01451",
    "kind": "arxiv",
    "version": 1
  }
}