Pith Number

pith:MHQ2D6TJ

pith:2018:MHQ2D6TJVAUJZ3Q5MKD7LKIBGP

not attested not anchored not stored refs pending

Non-convex regularization of bilinear and quadratic inverse problems by tensorial lifting

Kristian Bredies, Robert Beinert

arxiv:1804.10524 v1 · 2018-04-27 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHQ2D6TJVAUJZ3Q5MKD7LKIBGP}

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	2026-06-04T19:11:50.439783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61e1a1fa69a8289cee1d6287f5a90133ef79012fc755e1cfc5eeb58c5cd560e2

Aliases

arxiv: 1804.10524 · arxiv_version: 1804.10524v1 · doi: 10.48550/arxiv.1804.10524 · pith_short_12: MHQ2D6TJVAUJ · pith_short_16: MHQ2D6TJVAUJZ3Q5 · pith_short_8: MHQ2D6TJ

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/MHQ2D6TJVAUJZ3Q5MKD7LKIBGP \
  | 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: 61e1a1fa69a8289cee1d6287f5a90133ef79012fc755e1cfc5eeb58c5cd560e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb2ca2b5c04cc47ec70a0ec75dea081d9b510d042c7e64bf3578689f5275506c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-27T14:08:35Z",
    "title_canon_sha256": "d7421125b997b8c8d4de0970b06e02747bbbec685825d6d6c12549d06676ff10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10524",
    "kind": "arxiv",
    "version": 1
  }
}