Pith Number

pith:LOXWVGA6

pith:2019:LOXWVGA6CGD2TUFPG5BWKQ2YM5

not attested not anchored not stored refs pending

Real order (an)-isotropic total variation in image processing - Part II: Learning of optimal structures

Pan Liu, Xin Yang Lu

arxiv:1903.08513 v1 · 2019-03-20 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LOXWVGA6CGD2TUFPG5BWKQ2YM5}

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	2026-05-17T23:50:47.907536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5baf6a981e1187a9d0af37436543586776308e6c6aa1889af90cad6070e8562b

Aliases

arxiv: 1903.08513 · arxiv_version: 1903.08513v1 · doi: 10.48550/arxiv.1903.08513 · pith_short_12: LOXWVGA6CGD2 · pith_short_16: LOXWVGA6CGD2TUFP · pith_short_8: LOXWVGA6

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/LOXWVGA6CGD2TUFPG5BWKQ2YM5 \
  | 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: 5baf6a981e1187a9d0af37436543586776308e6c6aa1889af90cad6070e8562b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a451a5a9ba1ad3c08a8be58e80632ad20aa395cfc7169d2d00e758f59a65a7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-20T14:19:06Z",
    "title_canon_sha256": "d0ea922d104068b55b60a9a7d6606bc0c051c1f06cacc1f2b4798b915c71bd15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08513",
    "kind": "arxiv",
    "version": 1
  }
}