Pith Number

pith:P7TJFHSN

pith:2018:P7TJFHSNAILO4MUITSBYASUQKW

not attested not anchored not stored refs pending

Improved bounds for the RIP of Subsampled Circulant matrices

Meng Huang, Yuxuan Pang, Zhiqiang Xu

arxiv:1808.07333 v1 · 2018-08-22 · cs.IT · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7TJFHSNAILO4MUITSBYASUQKW}

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	2026-05-18T00:07:29.147935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fe6929e4d0216ee32889c83804a9055a8679d454bdb5afea7b187b57a069411

Aliases

arxiv: 1808.07333 · arxiv_version: 1808.07333v1 · doi: 10.48550/arxiv.1808.07333 · pith_short_12: P7TJFHSNAILO · pith_short_16: P7TJFHSNAILO4MUI · pith_short_8: P7TJFHSN

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/P7TJFHSNAILO4MUITSBYASUQKW \
  | 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: 7fe6929e4d0216ee32889c83804a9055a8679d454bdb5afea7b187b57a069411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38cf59511f59eb5896b5471fa37824f8ed065a96bb90ddf8c9f90bd034d95869",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-08-22T12:37:34Z",
    "title_canon_sha256": "0dd8c3e61d53ae887711988188f4bf6a61c975eaae1a12babff72faf7adfd867"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07333",
    "kind": "arxiv",
    "version": 1
  }
}