Pith Number

pith:VCC5TNXC

pith:2025:VCC5TNXCGMXT37XOUXCIKA7KZJ

not attested not anchored not stored refs pending

Flow Matching for Collaborative Filtering

Chengkai Liu, James Caverlee, Jianling Wang, Rex Ying, Yangtian Zhang

arxiv:2502.07303 v2 · 2025-02-11 · 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{VCC5TNXCGMXT37XOUXCIKA7KZJ}

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	2026-07-05T12:05:13.422692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a885d9b6e2332f3dfeeea5c48503eaca5d2f796900278d2847582d64e89a51d3

Aliases

arxiv: 2502.07303 · arxiv_version: 2502.07303v2 · doi: 10.48550/arxiv.2502.07303 · pith_short_12: VCC5TNXCGMXT · pith_short_16: VCC5TNXCGMXT37XO · pith_short_8: VCC5TNXC

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/VCC5TNXCGMXT37XOUXCIKA7KZJ \
  | 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: a885d9b6e2332f3dfeeea5c48503eaca5d2f796900278d2847582d64e89a51d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa1610705b5e5af4cdeca4cb6dad99727ada6313722f6d3c054a6f0da10a16dd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-02-11T07:01:19Z",
    "title_canon_sha256": "fd3bc669882d22b9e4de8ccf7098780c98662a857699223854f13c3c228a257c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07303",
    "kind": "arxiv",
    "version": 2
  }
}