Pith Number

pith:PZLLQZZ2

pith:2017:PZLLQZZ26L4MBP3XEPOYXJRTIX

not attested not anchored not stored refs pending

Blind Deconvolution by a Steepest Descent Algorithm on a Quotient Manifold

Paul Hand, Wen Huang

arxiv:1710.03309 v2 · 2017-10-09 · 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{PZLLQZZ26L4MBP3XEPOYXJRTIX}

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	2026-05-18T00:18:31.474472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e56b8673af2f8c0bf7723dd8ba63345f775422f1685faf0a1fa1df982f09227

Aliases

arxiv: 1710.03309 · arxiv_version: 1710.03309v2 · doi: 10.48550/arxiv.1710.03309 · pith_short_12: PZLLQZZ26L4M · pith_short_16: PZLLQZZ26L4MBP3X · pith_short_8: PZLLQZZ2

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/PZLLQZZ26L4MBP3XEPOYXJRTIX \
  | 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: 7e56b8673af2f8c0bf7723dd8ba63345f775422f1685faf0a1fa1df982f09227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e37b1cdfce757633152cdb503e4f75b420333f9b9e8d9c56a9a3e1b97bea769",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-09T20:50:06Z",
    "title_canon_sha256": "70be8397f4e7bc26813e9018f71a243c99852b96157ad4d41d68ba050dd1113d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03309",
    "kind": "arxiv",
    "version": 2
  }
}