Pith Number

pith:CSONTXOJ

pith:2016:CSONTXOJBMTS6CJDQKWNFMBCCL

not attested not anchored not stored refs pending

Efficient primal-dual fixed point algorithm with dynamic stepsize for convex problems with applications to imaging restoration

Jigen Peng, Meng Wen, Shigang Yue, Yuchao Tang

arxiv:1604.04852 v1 · 2016-04-17 · 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{CSONTXOJBMTS6CJDQKWNFMBCCL}

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	2026-05-18T01:16:56.574102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

149cd9ddc90b272f092382acd2b02212e5a8ecfe7f4fd396518b5d5cf825f84f

Aliases

arxiv: 1604.04852 · arxiv_version: 1604.04852v1 · doi: 10.48550/arxiv.1604.04852 · pith_short_12: CSONTXOJBMTS · pith_short_16: CSONTXOJBMTS6CJD · pith_short_8: CSONTXOJ

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/CSONTXOJBMTS6CJDQKWNFMBCCL \
  | 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: 149cd9ddc90b272f092382acd2b02212e5a8ecfe7f4fd396518b5d5cf825f84f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56b2a6128f2644bcd5c5bc9f60d1e7e9ca0f42616ff080416765204b3e13a1ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-04-17T09:33:10Z",
    "title_canon_sha256": "45a7c15879547b9b6a8b260f053f0928a03f7f496de9abf7d6e61645d423ecf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04852",
    "kind": "arxiv",
    "version": 1
  }
}