pith. sign in
Pith Number

pith:DSHL2KYB

pith:2018:DSHL2KYBET43A5LVIAY32XGZ3K
not attested not anchored not stored refs pending

Tight Bounds for $\ell_p$ Oblivious Subspace Embeddings

David P. Woodruff, Ruosong Wang

arxiv:1801.04414 v2 · 2018-01-13 · cs.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DSHL2KYBET43A5LVIAY32XGZ3K}

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 2026-05-18T00:19:02.635832Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1c8ebd2b0124f9b075754031bd5cd9daa5ed2549693844fd8862879d35f24b15

Aliases

arxiv: 1801.04414 · arxiv_version: 1801.04414v2 · doi: 10.48550/arxiv.1801.04414 · pith_short_12: DSHL2KYBET43 · pith_short_16: DSHL2KYBET43A5LV · pith_short_8: DSHL2KYB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DSHL2KYBET43A5LVIAY32XGZ3K \
  | 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: 1c8ebd2b0124f9b075754031bd5cd9daa5ed2549693844fd8862879d35f24b15
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fdf99ec534a36ffb551a45c61d9201df0725444595f26933d9096bc95ca5f41c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-01-13T10:40:05Z",
    "title_canon_sha256": "8bee539e0e59e69089ad1f67009caa7855b80f2642eb3f1b73eab6c7f3034b9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04414",
    "kind": "arxiv",
    "version": 2
  }
}