Pith Number

pith:SSDAX46C

pith:2023:SSDAX46CK4NUZLXVCDG7DJLK6S

not attested not anchored not stored refs pending

On the Impossibility of Lossless Waveform Rank Reduction for Certain Redundant Arrays

Piya Pal, Robin Rajam\"aki

arxiv:2305.06478 v2 · 2023-05-10 · 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{SSDAX46CK4NUZLXVCDG7DJLK6S}

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	2026-05-20T02:05:31.086805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94860bf3c2571b4caef510cdf1a56af497c53d89b32274be130112d543a522d0

Aliases

arxiv: 2305.06478 · arxiv_version: 2305.06478v2 · doi: 10.48550/arxiv.2305.06478 · pith_short_12: SSDAX46CK4NU · pith_short_16: SSDAX46CK4NUZLXV · pith_short_8: SSDAX46C

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/SSDAX46CK4NUZLXVCDG7DJLK6S \
  | 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: 94860bf3c2571b4caef510cdf1a56af497c53d89b32274be130112d543a522d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf57dda88ba3172ee1c2fbc1defd50e05a3c683747a206f5fe14187d2ebc4ee5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-05-10T22:05:19Z",
    "title_canon_sha256": "b412f1d90e3b1d0695dcc8cd12192a746d0bf9c7688f580647b0d405fb550275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.06478",
    "kind": "arxiv",
    "version": 2
  }
}