Pith Number

pith:E3BZPSCX

pith:2016:E3BZPSCXAW3MLQGZLL4INSZCXN

not attested not anchored not stored refs pending

Fast L1-L2 minimization via a proximal operator

Ming Yan, Yifei Lou

arxiv:1609.09530 v4 · 2016-09-29 · math.OC · cs.IT · math.IT · 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{E3BZPSCXAW3MLQGZLL4INSZCXN}

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	2026-05-18T00:44:19.744683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26c397c85705b6c5c0d95af886cb22bb4f26675d9ebdbbcec0a5c337c035292f

Aliases

arxiv: 1609.09530 · arxiv_version: 1609.09530v4 · doi: 10.48550/arxiv.1609.09530 · pith_short_12: E3BZPSCXAW3M · pith_short_16: E3BZPSCXAW3MLQGZ · pith_short_8: E3BZPSCX

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/E3BZPSCXAW3MLQGZLL4INSZCXN \
  | 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: 26c397c85705b6c5c0d95af886cb22bb4f26675d9ebdbbcec0a5c337c035292f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c332e8c9b6cd91cd3f48f271844f5e7c5a411543d7735a82eea510b25052dc66",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-09-29T21:06:12Z",
    "title_canon_sha256": "91158281e8a87a3e65b84d955558b2ec261663b0c8eed78d34af0de1d6b54aad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09530",
    "kind": "arxiv",
    "version": 4
  }
}