Pith Number

pith:UMMYKFAQ

pith:2011:UMMYKFAQYXSUPS7DFJJB6HHZ6J

not attested not anchored not stored refs pending

Dictionary Learning for Deblurring and Digital Zoom

Florent Couzinie-Devy, Francis Bach, Jean Ponce, Julien Mairal

arxiv:1110.0957 v1 · 2011-10-05 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMMYKFAQYXSUPS7DFJJB6HHZ6J}

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	2026-05-18T04:11:39.329146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a319851410c5e547cbe32a521f1cf9f27c2eb7b3b98c7b1d8f783f98d189e5b1

Aliases

arxiv: 1110.0957 · arxiv_version: 1110.0957v1 · doi: 10.48550/arxiv.1110.0957 · pith_short_12: UMMYKFAQYXSU · pith_short_16: UMMYKFAQYXSUPS7D · pith_short_8: UMMYKFAQ

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/UMMYKFAQYXSUPS7DFJJB6HHZ6J \
  | 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: a319851410c5e547cbe32a521f1cf9f27c2eb7b3b98c7b1d8f783f98d189e5b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6bca28b6d67c1b048661c3ea6cfc9f33cbdde2d8366274542b3e4d3532ca2a7",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-10-05T11:49:09Z",
    "title_canon_sha256": "231fc092a460c94e5e27d47e464df596f6d50356c02cf6b92b07766807c96cf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0957",
    "kind": "arxiv",
    "version": 1
  }
}