Pith Number

pith:GFXF4I6G

pith:2020:GFXF4I6GQ7M5WHPQFAHOACT5O6

not attested not anchored not stored refs pending

Quaternion-based bilinear factor matrix norm minimization for color image inpainting

Jifei Miao, Kit Ian Kou

arxiv:2005.02886 v1 · 2020-05-06 · eess.IV · cs.NA · math.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{GFXF4I6GQ7M5WHPQFAHOACT5O6}

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	2026-07-05T01:46:19.633371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

316e5e23c687d9db1df0280ee00a7d778143ab58e1f5663f9acb1b25a9301882

Aliases

arxiv: 2005.02886 · arxiv_version: 2005.02886v1 · doi: 10.48550/arxiv.2005.02886 · pith_short_12: GFXF4I6GQ7M5 · pith_short_16: GFXF4I6GQ7M5WHPQ · pith_short_8: GFXF4I6G

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/GFXF4I6GQ7M5WHPQFAHOACT5O6 \
  | 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: 316e5e23c687d9db1df0280ee00a7d778143ab58e1f5663f9acb1b25a9301882

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e616507bbdbec9b1a33a928ee8fd7ccb7f4b939b0d31b5a44e21bef563eeb73a",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-05-06T14:59:19Z",
    "title_canon_sha256": "88bedd91a26e3780892050df5a09c3b59fb1b8fab7a987c22b2770968ebb201a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02886",
    "kind": "arxiv",
    "version": 1
  }
}