Pith Number

pith:B275PQEE

pith:2012:B275PQEERTZCCSAE2QBQ62PILD

not attested not anchored not stored refs pending

An ADMM Algorithm for a Class of Total Variation Regularized Estimation Problems

Bo Wahlberg, Mariette Annergren, Stephen Boyd, Yang Wang

arxiv:1203.1828 v1 · 2012-03-08 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B275PQEERTZCCSAE2QBQ62PILD}

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	2026-05-18T04:00:36.844814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ebfd7c0848cf2214804d4030f69e858fae9cb131b910ec451b6efe4826c2655

Aliases

arxiv: 1203.1828 · arxiv_version: 1203.1828v1 · doi: 10.48550/arxiv.1203.1828 · pith_short_12: B275PQEERTZC · pith_short_16: B275PQEERTZCCSAE · pith_short_8: B275PQEE

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/B275PQEERTZCCSAE2QBQ62PILD \
  | 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: 0ebfd7c0848cf2214804d4030f69e858fae9cb131b910ec451b6efe4826c2655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "106ee627b421fb6fd15f509eaa8ab2a41fa1da901a70e20f1eb1779934d42dfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-03-08T15:34:08Z",
    "title_canon_sha256": "c2d1c16b7f6bfbc7d7e84c5935bdfd5f2c2eba6c0dd70b231602989be43b75e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1828",
    "kind": "arxiv",
    "version": 1
  }
}