Pith Number

pith:27C2QD5E

pith:2018:27C2QD5ERFFJRXPU7SYMPACLUT

not attested not anchored not stored refs pending

Joint Detection and Localization of an Unknown Number of Sources Using Algebraic Structure of the Noise Subspace

Geert Leus, Matthew W. Morency, Sergiy A. Vorobyov

arxiv:1805.08421 v1 · 2018-05-22 · cs.IT · math.AG · 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{27C2QD5ERFFJRXPU7SYMPACLUT}

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	2026-05-17T23:48:40.480516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7c5a80fa4894a98ddf4fcb0c7804ba4d18ccfbeb366a5baa89ac3ad46c5a154

Aliases

arxiv: 1805.08421 · arxiv_version: 1805.08421v1 · doi: 10.48550/arxiv.1805.08421 · pith_short_12: 27C2QD5ERFFJ · pith_short_16: 27C2QD5ERFFJRXPU · pith_short_8: 27C2QD5E

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/27C2QD5ERFFJRXPU7SYMPACLUT \
  | 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: d7c5a80fa4894a98ddf4fcb0c7804ba4d18ccfbeb366a5baa89ac3ad46c5a154

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8756fafa77ac4c8020c1a9dbb1d88bb098fe355a9b5f876ef161eb702bf000c0",
    "cross_cats_sorted": [
      "math.AG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-22T06:42:19Z",
    "title_canon_sha256": "69a966806e462ad2858fc718556cdc784f49ed4de5691f6ab2f90fd922359d69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08421",
    "kind": "arxiv",
    "version": 1
  }
}