Pith Number

pith:4DQPXXJY

pith:2025:4DQPXXJYQFM7ALU5JGSB5PV24C

not attested not anchored not stored refs pending

Graph Neural Controlled Differential Equations For Collaborative Filtering

Ke Xu, Philip S. Yu, Weizhi Zhang, Yuanjie Zhu, Zihe Song

arxiv:2501.13908 v1 · 2025-01-23 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DQPXXJYQFM7ALU5JGSB5PV24C}

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	2026-07-05T10:04:35.873639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0e0fbdd388159f02e9d49a41ebebae08e7f2bd17130562181bb4811aa2bace3

Aliases

arxiv: 2501.13908 · arxiv_version: 2501.13908v1 · doi: 10.48550/arxiv.2501.13908 · pith_short_12: 4DQPXXJYQFM7 · pith_short_16: 4DQPXXJYQFM7ALU5 · pith_short_8: 4DQPXXJY

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/4DQPXXJYQFM7ALU5JGSB5PV24C \
  | 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: e0e0fbdd388159f02e9d49a41ebebae08e7f2bd17130562181bb4811aa2bace3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bc22032a5f2ea8a07e62322babce30dd4d8df41ad0049a9648f2a3af95b3192",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-01-23T18:37:12Z",
    "title_canon_sha256": "62de2223c9a3302ebc08025688c4e0b291e6581edd8a91af323b57ceb822fc4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13908",
    "kind": "arxiv",
    "version": 1
  }
}