Pith Number

pith:SDHR6CSU

pith:2026:SDHR6CSUXBE26FW3SCCFW6CLNC

not attested not anchored not stored refs pending

Self-Supervised Learning for Sparse Matrix Reordering

Fangfang Liu, Huiyuan Li, Shuzi Niu, Tao Yuan, Wenjia Wu, Ziwei Li

arxiv:2605.17403 v1 · 2026-05-17 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDHR6CSUXBE26FW3SCCFW6CLNC}

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	2026-05-20T00:03:56.706503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90cf1f0a54b849af16db90845b784b68ab09932d22e3410146061e286de368e3

Aliases

arxiv: 2605.17403 · arxiv_version: 2605.17403v1 · doi: 10.48550/arxiv.2605.17403 · pith_short_12: SDHR6CSUXBE2 · pith_short_16: SDHR6CSUXBE26FW3 · pith_short_8: SDHR6CSU

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/SDHR6CSUXBE26FW3SCCFW6CLNC \
  | 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: 90cf1f0a54b849af16db90845b784b68ab09932d22e3410146061e286de368e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "381d5eb2f9998335e6224a3d406e3efa4302e43681c43f927eb22490fe65879a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-17T11:54:12Z",
    "title_canon_sha256": "4842438c0c686eb15539c2572922c6f5ef0730dad600547825a0e79ba46b0dab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17403",
    "kind": "arxiv",
    "version": 1
  }
}