Pith Number

pith:SUWULJ2G

pith:2016:SUWULJ2GSALBYZIKYJ7QSCEDUT

not attested not anchored not stored refs pending

Geometric properties of solutions to the total variation denoising problem

Antonin Chambolle, Clarice Poon, Gabriel Peyr\'e, Vincent Duval

arxiv:1602.00087 v2 · 2016-01-30 · 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{SUWULJ2GSALBYZIKYJ7QSCEDUT}

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	2026-05-18T00:54:40.894935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

952d45a74690161c650ac27f090883a4cd68d234f607fb6d242fd2312bdada90

Aliases

arxiv: 1602.00087 · arxiv_version: 1602.00087v2 · doi: 10.48550/arxiv.1602.00087 · pith_short_12: SUWULJ2GSALB · pith_short_16: SUWULJ2GSALBYZIK · pith_short_8: SUWULJ2G

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/SUWULJ2GSALBYZIKYJ7QSCEDUT \
  | 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: 952d45a74690161c650ac27f090883a4cd68d234f607fb6d242fd2312bdada90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f81ef32556784292e989bab1375d83999fd53fc867fc35a55d541b8a6370f3a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-01-30T08:04:05Z",
    "title_canon_sha256": "5387296459bf3d01c909d37397daf78cabd1dad14f9ac79a2d9b41f909805f20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00087",
    "kind": "arxiv",
    "version": 2
  }
}