Pith Number

pith:LMV4IA2O

pith:2015:LMV4IA2OTYZMOMZR5V4LP2Y75V

not attested not anchored not stored refs pending

Bridge the gap between network-based inference method and global ranking method in personal recommendation

Xiwei Liu

arxiv:1507.04412 v1 · 2015-07-15 · cs.SI · 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{LMV4IA2OTYZMOMZR5V4LP2Y75V}

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	2026-05-18T01:36:47.497639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b2bc4034e9e32c73331ed78b7eb1fed61ea558cd038a1a4ac6e8db36d56e01b

Aliases

arxiv: 1507.04412 · arxiv_version: 1507.04412v1 · doi: 10.48550/arxiv.1507.04412 · pith_short_12: LMV4IA2OTYZM · pith_short_16: LMV4IA2OTYZMOMZR · pith_short_8: LMV4IA2O

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/LMV4IA2OTYZMOMZR5V4LP2Y75V \
  | 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: 5b2bc4034e9e32c73331ed78b7eb1fed61ea558cd038a1a4ac6e8db36d56e01b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f2f876c7945171f36cde8c9b51f6057ed1c4c9b68dd7ad42369241dacc3a9c4",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-07-15T23:13:48Z",
    "title_canon_sha256": "fd78ac1c0a799686364c87d0de15a8dc68d5924b2f0c55a3b031619c90753135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04412",
    "kind": "arxiv",
    "version": 1
  }
}