Pith Number

pith:Z3CMY6HN

pith:2025:Z3CMY6HN2V2XZUPMGYBKZOG4TP

not attested not anchored not stored refs pending

Efficient Chambolle-Pock based algorithms for Convoltional sparse representation

Haowei Tang, Junjing Li, Pengcheng Zhang, Tianling Lyu, Yang Chen, Yi Liu, Zhiguo Gui

arxiv:2508.02152 v1 · 2025-08-04 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z3CMY6HN2V2XZUPMGYBKZOG4TP}

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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	2026-07-05T11:48:09.298796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cec4cc78edd5757cd1ec3602acb8dc9bf6e8aa35f7b577c8ceba7b10b7dbb2ee

Aliases

arxiv: 2508.02152 · arxiv_version: 2508.02152v1 · doi: 10.48550/arxiv.2508.02152 · pith_short_12: Z3CMY6HN2V2X · pith_short_16: Z3CMY6HN2V2XZUPM · pith_short_8: Z3CMY6HN

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/Z3CMY6HN2V2XZUPMGYBKZOG4TP \
  | 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: cec4cc78edd5757cd1ec3602acb8dc9bf6e8aa35f7b577c8ceba7b10b7dbb2ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1392f52b2a6412ffbf52db51e96f6e773ae3bac3fc51777d7336388db6fb863d",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-04T07:49:59Z",
    "title_canon_sha256": "068adb9810670773fab7389249391909a3c141067474411372fabd836a3369ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.02152",
    "kind": "arxiv",
    "version": 1
  }
}