Pith Number

pith:5ENFXVJK

pith:2010:5ENFXVJKWKBUQZUPDIW7QIWEO5

not attested not anchored not stored refs pending

Sublinear Time, Measurement-Optimal, Sparse Recovery For All

Ely Porat, Martin J. Strauss

arxiv:1012.1886 v2 · 2010-12-08 · 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{5ENFXVJKWKBUQZUPDIW7QIWEO5}

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	2026-05-18T04:18:22.189490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e91a5bd52ab28348668f1a2df822c477612f3abe53f3180be5f7964db276f7c9

Aliases

arxiv: 1012.1886 · arxiv_version: 1012.1886v2 · doi: 10.48550/arxiv.1012.1886 · pith_short_12: 5ENFXVJKWKBU · pith_short_16: 5ENFXVJKWKBUQZUP · pith_short_8: 5ENFXVJK

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/5ENFXVJKWKBUQZUPDIW7QIWEO5 \
  | 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: e91a5bd52ab28348668f1a2df822c477612f3abe53f3180be5f7964db276f7c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67f9bfb257f82899a3c9a60ef44c909e90572c8781ae491652865357dded5632",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-12-08T22:39:52Z",
    "title_canon_sha256": "f70fde5f663c4678644b7654abf28723e7a611dabbab04845d952bb14b94bf30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1886",
    "kind": "arxiv",
    "version": 2
  }
}