Pith Number

pith:PDQKA3FL

pith:2019:PDQKA3FL56E7TMX7KG365LN2SJ

not attested not anchored not stored refs pending

On Convex Duality in Linear Inverse Problems

Debasish Chatterjee, Mohammed Rayyan Sheriff

arxiv:1908.06065 v3 · 2019-08-16 · cs.LG · eess.SP · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDQKA3FL56E7TMX7KG365LN2SJ}

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	2026-07-05T00:32:21.932355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78e0a06cabef89f9b2ff51b7eeadba92765e712102d86689abbf03c71314b38a

Aliases

arxiv: 1908.06065 · arxiv_version: 1908.06065v3 · doi: 10.48550/arxiv.1908.06065 · pith_short_12: PDQKA3FL56E7 · pith_short_16: PDQKA3FL56E7TMX7 · pith_short_8: PDQKA3FL

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/PDQKA3FL56E7TMX7KG365LN2SJ \
  | 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: 78e0a06cabef89f9b2ff51b7eeadba92765e712102d86689abbf03c71314b38a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59ba1e4084e22ea8b848849f58884f87cfa967427f962e8a685d187365dd68e0",
    "cross_cats_sorted": [
      "eess.SP",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-16T17:25:15Z",
    "title_canon_sha256": "fdeae9e03e81fb7ede5917422bb98d32c80fbfa661abfe56e9de36a46a640763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06065",
    "kind": "arxiv",
    "version": 3
  }
}