Pith Number

pith:PPXKESDW

pith:2023:PPXKESDWQMLDGN56L3EP5JAKU5

not attested not anchored not stored refs pending

Signed Directed Graph Contrastive Learning with Laplacian Augmentation

Chong-kwon Kim, Taewook Ko, Yoonhyuk Choi

arxiv:2301.05163 v1 · 2023-01-12 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPXKESDWQMLDGN56L3EP5JAKU5}

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	2026-07-05T05:32:41.222687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7beea2487683163337be5ec8fea40aa758fb61e9020a7bdafb71984ec0f37524

Aliases

arxiv: 2301.05163 · arxiv_version: 2301.05163v1 · doi: 10.48550/arxiv.2301.05163 · pith_short_12: PPXKESDWQMLD · pith_short_16: PPXKESDWQMLDGN56 · pith_short_8: PPXKESDW

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/PPXKESDWQMLDGN56L3EP5JAKU5 \
  | 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: 7beea2487683163337be5ec8fea40aa758fb61e9020a7bdafb71984ec0f37524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99e70842339fc43c0697a8a5ff88cf987cf6d5b9af23244cd4d9eef89476c149",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-01-12T17:32:19Z",
    "title_canon_sha256": "df84601f2fa88e2b743129ea14d3f892d91eafb1d3e991e99b47083db3050abc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.05163",
    "kind": "arxiv",
    "version": 1
  }
}