Pith Number

pith:XMY43TZB

pith:2019:XMY43TZB3FEKOJITPMRWHSH52I

not attested not anchored not stored refs pending

Multi-dimensional Spectral Super-Resolution with Prior Knowledge via Frequency-Selective Vandermonde Decomposition and ADMM

Xiaodong Wang, Yinchuan Li, Zegang Ding

arxiv:1906.00278 v1 · 2019-06-01 · 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{XMY43TZB3FEKOJITPMRWHSH52I}

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	2026-05-17T23:44:27.644177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb31cdcf21d948a725137b2363c8fdd20a86e3766acc8686eb43ced419bbaaf7

Aliases

arxiv: 1906.00278 · arxiv_version: 1906.00278v1 · doi: 10.48550/arxiv.1906.00278 · pith_short_12: XMY43TZB3FEK · pith_short_16: XMY43TZB3FEKOJIT · pith_short_8: XMY43TZB

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/XMY43TZB3FEKOJITPMRWHSH52I \
  | 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: bb31cdcf21d948a725137b2363c8fdd20a86e3766acc8686eb43ced419bbaaf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1e009d9152a36deaf5b234ebd4085cbb48ef44a8365be9d2ddee501a407929c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-01T19:41:32Z",
    "title_canon_sha256": "19b9661b61a23fd13e38234848be10b2968ca287050122d5b74c74f788b4f524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00278",
    "kind": "arxiv",
    "version": 1
  }
}