Pith Number

pith:VHEGZA5K

pith:2021:VHEGZA5KPGRJ3LGGSZM5KWPJ5V

not attested not anchored not stored refs pending

CCGL: Contrastive Cascade Graph Learning

Fan Zhou, Kunpeng Zhang, Siyuan Liu, Xovee Xu

arxiv:2107.12576 v2 · 2021-07-27 · cs.SI · 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{VHEGZA5KPGRJ3LGGSZM5KWPJ5V}

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	2026-07-05T03:58:16.779841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9c86c83aa79a29dacc69659d559e9ed540407ca7090330bc766062e0284204c

Aliases

arxiv: 2107.12576 · arxiv_version: 2107.12576v2 · doi: 10.48550/arxiv.2107.12576 · pith_short_12: VHEGZA5KPGRJ · pith_short_16: VHEGZA5KPGRJ3LGG · pith_short_8: VHEGZA5K

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/VHEGZA5KPGRJ3LGGSZM5KWPJ5V \
  | 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: a9c86c83aa79a29dacc69659d559e9ed540407ca7090330bc766062e0284204c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c9619fa4cff2c4fa779f2ba78bc860c9e99bc4a9000cf336d1e45cef49b0d23",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-07-27T03:37:50Z",
    "title_canon_sha256": "208e2a1fb9466892492e212880b58c1bcf42c388b717590e341e510fe3fe5165"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12576",
    "kind": "arxiv",
    "version": 2
  }
}