Pith Number

pith:YD6B3ZM6

pith:2019:YD6B3ZM6KD5J6PDLJ5ZQT735LU

not attested not anchored not stored refs pending

Sparse Recovery for Orthogonal Polynomial Transforms

Albert Gu, Anna Gilbert, Atri Rudra, Christopher Re, Mary Wootters

arxiv:1907.08362 v1 · 2019-07-19 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YD6B3ZM6KD5J6PDLJ5ZQT735LU}

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	2026-05-17T23:40:10.094561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0fc1de59e50fa9f3c6b4f7309ff7d5d0d2cd0ecbaf7adec37e5c86ec58a6282

Aliases

arxiv: 1907.08362 · arxiv_version: 1907.08362v1 · doi: 10.48550/arxiv.1907.08362 · pith_short_12: YD6B3ZM6KD5J · pith_short_16: YD6B3ZM6KD5J6PDL · pith_short_8: YD6B3ZM6

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/YD6B3ZM6KD5J6PDLJ5ZQT735LU \
  | 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: c0fc1de59e50fa9f3c6b4f7309ff7d5d0d2cd0ecbaf7adec37e5c86ec58a6282

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e46eb223331660d439c7d58387e4985dc2b3bf5e6a53cf2649992d848cd0e2c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-19T03:44:05Z",
    "title_canon_sha256": "b00c0a3c97b5761d18006a7f8a7c7ef58de2915da1d69c00773683b54cbcbef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08362",
    "kind": "arxiv",
    "version": 1
  }
}