Pith Number

pith:X6RZ4KGA

pith:2018:X6RZ4KGA6CTTDDI6Q2N6LT5VYH

not attested not anchored not stored refs pending

Sampling and Super-resolution of Sparse Signals Beyond the Fourier Domain

Ayush Bhandari, Yonina C. Eldar

arxiv:1806.01478 v1 · 2018-06-05 · cs.IT · eess.SP · 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{X6RZ4KGA6CTTDDI6Q2N6LT5VYH}

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	2026-05-17T23:53:30.758509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfa39e28c0f0a7318d1e869be5cfb5c1e651b15eeb1defeac722d7203a6c2b4d

Aliases

arxiv: 1806.01478 · arxiv_version: 1806.01478v1 · doi: 10.48550/arxiv.1806.01478 · pith_short_12: X6RZ4KGA6CTT · pith_short_16: X6RZ4KGA6CTTDDI6 · pith_short_8: X6RZ4KGA

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/X6RZ4KGA6CTTDDI6Q2N6LT5VYH \
  | 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: bfa39e28c0f0a7318d1e869be5cfb5c1e651b15eeb1defeac722d7203a6c2b4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e33074de303e450236e68052b1e36276c8245d08e57c8aa6c736e26e35746574",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-06-05T03:15:48Z",
    "title_canon_sha256": "b64715c0f252cf050410d9ff4bc3e532c40e99fd8b59857a9c99a69abcab70d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01478",
    "kind": "arxiv",
    "version": 1
  }
}