pith. sign in
Pith Number

pith:5GZFQ6AB

pith:2016:5GZFQ6AB7MCPFMLC3DO3ZHLGQF
not attested not anchored not stored refs pending

A Harmonic Extension Approach for Collaborative Ranking

Andrea Bertozzi, Da Kuang, Stanley Osher, Zuoqiang Shi

arxiv:1602.05127 v1 · 2016-02-16 · cs.LG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5GZFQ6AB7MCPFMLC3DO3ZHLGQF}

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 2026-05-18T01:20:37.507236Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e9b2587801fb04f2b162d8ddbc9d668155265da9480c249d4ccf0d0b621c9ea9

Aliases

arxiv: 1602.05127 · arxiv_version: 1602.05127v1 · doi: 10.48550/arxiv.1602.05127 · pith_short_12: 5GZFQ6AB7MCP · pith_short_16: 5GZFQ6AB7MCPFMLC · pith_short_8: 5GZFQ6AB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5GZFQ6AB7MCPFMLC3DO3ZHLGQF \
  | 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: e9b2587801fb04f2b162d8ddbc9d668155265da9480c249d4ccf0d0b621c9ea9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2cf9a2553c40084f2263d535bd137d059010e012880e03f432c2746f6260191f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-02-16T18:35:25Z",
    "title_canon_sha256": "1119b71cef989d1c57d4d459f183ee22fc5e0e35a68f0202fed121db6581621a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05127",
    "kind": "arxiv",
    "version": 1
  }
}