Pith Number

pith:CKQ2YKYV

pith:2026:CKQ2YKYVPGBTAF77FNRUDMVGN7

not attested not anchored not stored refs pending

Ambiguity Analysis and Design of Sparse Arrays via Generalized Vandermonde Rank Conditions

Marius Pesavento

arxiv:2606.00360 v1 · 2026-05-29 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKQ2YKYVPGBTAF77FNRUDMVGN7}

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	2026-06-02T01:03:52.623062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a1ac2b1579833017ff2b6341b2a66fdf62ac7132a78aaafe81a6bf99b8bc29

Aliases

arxiv: 2606.00360 · arxiv_version: 2606.00360v1 · doi: 10.48550/arxiv.2606.00360 · pith_short_12: CKQ2YKYVPGBT · pith_short_16: CKQ2YKYVPGBTAF77 · pith_short_8: CKQ2YKYV

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/CKQ2YKYVPGBTAF77FNRUDMVGN7 \
  | 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: 12a1ac2b1579833017ff2b6341b2a66fdf62ac7132a78aaafe81a6bf99b8bc29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "346c2b74ba8ed0a21b4e9bf3a747e8846ca6e1ace92e6c6de145919c9b3153a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-05-29T21:02:23Z",
    "title_canon_sha256": "9eacdfd53eddff08368bfab1dcdac17c51941b28d82451b230ce4c3c3adc45ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00360",
    "kind": "arxiv",
    "version": 1
  }
}