Pith Number

pith:VSGRCCY7

pith:2011:VSGRCCY72ARN3S2GMBOL5TMN4M

not attested not anchored not stored refs pending

Lower Bounds for Sparse Recovery

David P. Woodruff, Eric Price, Khanh Do Ba, Piotr Indyk

arxiv:1106.0365 v2 · 2011-06-02 · cs.DS · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VSGRCCY72ARN3S2GMBOL5TMN4M}

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	2026-05-18T04:20:49.347500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac8d110b1fd022ddcb46605cbecd8de3015780ccf1b0141ddb4ce1fd76c8a931

Aliases

arxiv: 1106.0365 · arxiv_version: 1106.0365v2 · doi: 10.48550/arxiv.1106.0365 · pith_short_12: VSGRCCY72ARN · pith_short_16: VSGRCCY72ARN3S2G · pith_short_8: VSGRCCY7

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/VSGRCCY72ARN3S2GMBOL5TMN4M \
  | 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: ac8d110b1fd022ddcb46605cbecd8de3015780ccf1b0141ddb4ce1fd76c8a931

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76137c575e51c36fc42b9729a5982203a255af36e67ebc0c1b413f287a4cba3f",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-06-02T05:20:14Z",
    "title_canon_sha256": "ef55706dcab07ee2a24c128da6b8e6db24f3ce4e0b33b29d7f328ed358c57140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0365",
    "kind": "arxiv",
    "version": 2
  }
}