pith. sign in
Pith Number

pith:WZRDT6I7

pith:2018:WZRDT6I7TZ3Z47UOR2QK7QDHX6
not attested not anchored not stored refs pending

Sampling and Reconstruction of Signals on Product Graphs

Geert Leus, Guillermo Ortiz-Jim\'enez, Mario Coutino, Sundeep Prabhakar Chepuri

arxiv:1807.00145 v1 · 2018-06-30 · eess.SP · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WZRDT6I7TZ3Z47UOR2QK7QDHX6}

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 2026-05-18T00:11:55.928188Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b66239f91f9e779e7e8e8ea0afc067bfbfb717a67a8f598cc3b4eb19d415a821

Aliases

arxiv: 1807.00145 · arxiv_version: 1807.00145v1 · doi: 10.48550/arxiv.1807.00145 · pith_short_12: WZRDT6I7TZ3Z · pith_short_16: WZRDT6I7TZ3Z47UO · pith_short_8: WZRDT6I7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WZRDT6I7TZ3Z47UOR2QK7QDHX6 \
  | 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: b66239f91f9e779e7e8e8ea0afc067bfbfb717a67a8f598cc3b4eb19d415a821
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e0111b99b73d619e793e13caba4cc0899002d1ef608e00faaa86f258df9499cd",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-06-30T08:55:58Z",
    "title_canon_sha256": "0133df7c40094c26d6c5a866dd25f50f600827ade6c438ebda6ea5ed8734922e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00145",
    "kind": "arxiv",
    "version": 1
  }
}