Pith Number

pith:3AK4DTNW

pith:2017:3AK4DTNWHH3J6Z7JWNEELLOMOJ

not attested not anchored not stored refs pending

Regularized Gradient Descent: A Nonconvex Recipe for Fast Joint Blind Deconvolution and Demixing

Shuyang Ling, Thomas Strohmer

arxiv:1703.08642 v2 · 2017-03-25 · 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{3AK4DTNWHH3J6Z7JWNEELLOMOJ}

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	2026-05-18T00:29:30.871895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d815c1cdb639f69f67e9b34845adcc725c38ded5b57de3932193f3bb13babbfb

Aliases

arxiv: 1703.08642 · arxiv_version: 1703.08642v2 · doi: 10.48550/arxiv.1703.08642 · pith_short_12: 3AK4DTNWHH3J · pith_short_16: 3AK4DTNWHH3J6Z7J · pith_short_8: 3AK4DTNW

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/3AK4DTNWHH3J6Z7JWNEELLOMOJ \
  | 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: d815c1cdb639f69f67e9b34845adcc725c38ded5b57de3932193f3bb13babbfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb2557a4460daede06556f846dba666015b735bf9498d1790c618b41c016d73d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-25T02:55:15Z",
    "title_canon_sha256": "7e27731f12431ccecf504469e5c487edbb04a8a113143f09522f72c70a7720d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08642",
    "kind": "arxiv",
    "version": 2
  }
}