Pith Number

pith:SN3UJQNE

pith:2020:SN3UJQNE2P3LG3GHHCCMKHFPZI

not attested not anchored not stored refs pending

Sparse Vector Transmission: An Idea Whose Time Has Come

Byonghyo Shim, Hyojin Lee, Hyoungju Ji, Juho Lee, Wonjun Kim, Younsun Kim

arxiv:2001.03366 v1 · 2020-01-10 · 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{SN3UJQNE2P3LG3GHHCCMKHFPZI}

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	2026-07-05T00:32:43.535289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

937744c1a4d3f6b36cc73884c51cafca13583502dfa7d447ea020a361ae2f631

Aliases

arxiv: 2001.03366 · arxiv_version: 2001.03366v1 · doi: 10.48550/arxiv.2001.03366 · pith_short_12: SN3UJQNE2P3L · pith_short_16: SN3UJQNE2P3LG3GH · pith_short_8: SN3UJQNE

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/SN3UJQNE2P3LG3GHHCCMKHFPZI \
  | 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: 937744c1a4d3f6b36cc73884c51cafca13583502dfa7d447ea020a361ae2f631

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbf4d1bea327537738677a94873bfb6de750a4824c9dfd7476c470c32f4e1ea5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-01-10T09:58:08Z",
    "title_canon_sha256": "34fd1c6dafd7d76e4d99321fc4262635c851ec00248ba6f902c858e18635e1d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.03366",
    "kind": "arxiv",
    "version": 1
  }
}