Pith Number

pith:GRLGI3GG

pith:2018:GRLGI3GG6PZ6PQRYHRZSQB6AYI

not attested not anchored not stored refs pending

Neural Collaborative Ranking

Bo Song, Congfu Xu, Xin Yang, Yi Cao

arxiv:1808.04957 v1 · 2018-08-15 · 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{GRLGI3GG6PZ6PQRYHRZSQB6AYI}

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	2026-05-18T00:08:02.040980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3456646cc6f3f3e7c2383c732807c0c21f7058d37d202b1dda95b4989b39c515

Aliases

arxiv: 1808.04957 · arxiv_version: 1808.04957v1 · doi: 10.48550/arxiv.1808.04957 · pith_short_12: GRLGI3GG6PZ6 · pith_short_16: GRLGI3GG6PZ6PQRY · pith_short_8: GRLGI3GG

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/GRLGI3GG6PZ6PQRYHRZSQB6AYI \
  | 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: 3456646cc6f3f3e7c2383c732807c0c21f7058d37d202b1dda95b4989b39c515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c418bac2dcea719e7d8c61a867ae9742aaef4d1b748c5cbe9bf388b16d8871",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-08-15T03:30:57Z",
    "title_canon_sha256": "6172149282e6fa1ebd21c0094e55d3e72578ef8e9c4bb2ca3dafe7ad7439ddd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04957",
    "kind": "arxiv",
    "version": 1
  }
}