Pith Number

pith:RGHIZ57M

pith:2012:RGHIZ57MVNCQ7QKR7H4WFFXCAH

not attested not anchored not stored refs pending

Blind Deconvolution using Convex Programming

Ali Ahmed, Benjamin Recht, Justin Romberg

arxiv:1211.5608 v3 · 2012-11-21 · 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{RGHIZ57MVNCQ7QKR7H4WFFXCAH}

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	2026-05-18T00:12:36.016052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

898e8cf7ecab450fc151f9f96296e201e30a5a99cb64d767169ecb018252ed82

Aliases

arxiv: 1211.5608 · arxiv_version: 1211.5608v3 · doi: 10.48550/arxiv.1211.5608 · pith_short_12: RGHIZ57MVNCQ · pith_short_16: RGHIZ57MVNCQ7QKR · pith_short_8: RGHIZ57M

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/RGHIZ57MVNCQ7QKR7H4WFFXCAH \
  | 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: 898e8cf7ecab450fc151f9f96296e201e30a5a99cb64d767169ecb018252ed82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e6e1efda2f181866b6ae52417e1b1e2c34d575a35a3f0e9f9fbb4bfc3146a69",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-11-21T18:00:40Z",
    "title_canon_sha256": "d9271cc525928d0921635a3df8a999f80dd90e7b4a893dd4eae7b42ce3020cbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5608",
    "kind": "arxiv",
    "version": 3
  }
}