Pith Number

pith:BWCOU4TV

pith:2015:BWCOU4TVPYW2PT7UW2BS5TRNUF

not attested not anchored not stored refs pending

Greed is Super: A Fast Algorithm for Super-Resolution

Armin Eftekhari, Michael B. Wakin

arxiv:1511.03385 v1 · 2015-11-11 · 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{BWCOU4TVPYW2PT7UW2BS5TRNUF}

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	2026-05-18T01:27:14.744418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d84ea72757e2da7cff4b6832ece2da15eb00b25bc333189409f68db10f1683a

Aliases

arxiv: 1511.03385 · arxiv_version: 1511.03385v1 · doi: 10.48550/arxiv.1511.03385 · pith_short_12: BWCOU4TVPYW2 · pith_short_16: BWCOU4TVPYW2PT7U · pith_short_8: BWCOU4TV

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/BWCOU4TVPYW2PT7UW2BS5TRNUF \
  | 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: 0d84ea72757e2da7cff4b6832ece2da15eb00b25bc333189409f68db10f1683a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1f2cd11bfcddf72f608735570790197596a07b9fc2e705c416623d87633304d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-11-11T04:30:02Z",
    "title_canon_sha256": "602097a7311a93ae1cfc3317b732e6b7b161cb862aa5f11dbc0292c7ba421ce4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03385",
    "kind": "arxiv",
    "version": 1
  }
}