Pith Number

pith:ZTSBBDM4

pith:2016:ZTSBBDM4UXVY6BHZ4HWGXY4B7B

not attested not anchored not stored refs pending

Learning optimal spatially-dependent regularization parameters in total variation image restoration

C.B. Schoenlieb, C. Chung, J.C. De los Reyes

arxiv:1603.09155 v2 · 2016-03-30 · 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{ZTSBBDM4UXVY6BHZ4HWGXY4B7B}

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	2026-05-18T01:02:12.968635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cce4108d9ca5eb8f04f9e1ec6be381f8550ebdb96468aca6253b2578eea57e4f

Aliases

arxiv: 1603.09155 · arxiv_version: 1603.09155v2 · doi: 10.48550/arxiv.1603.09155 · pith_short_12: ZTSBBDM4UXVY · pith_short_16: ZTSBBDM4UXVY6BHZ · pith_short_8: ZTSBBDM4

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/ZTSBBDM4UXVY6BHZ4HWGXY4B7B \
  | 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: cce4108d9ca5eb8f04f9e1ec6be381f8550ebdb96468aca6253b2578eea57e4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eec5a002f61c4c994830e737236f73b176e4924e7686a3423dd07fe1562ed262",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-03-30T12:32:22Z",
    "title_canon_sha256": "e6012eeb175c94e9ac7037cff9d6e0c9345862cb880330c1829eec32aaa4254f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09155",
    "kind": "arxiv",
    "version": 2
  }
}