Pith Number

pith:CFY24N6G

pith:2019:CFY24N6GIJRVEWBFBZQMA63WGC

not attested not anchored not stored refs pending

Exploiting weak ties in trust-based recommender systems using regular equivalence

Dominik Kowald, Elisabeth Lex, Emanuel Lacic, Tomislav Duricic

arxiv:1907.11620 v1 · 2019-06-12 · cs.SI · cs.IR

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

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	2026-05-17T23:39:28.532059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1171ae37c642635258250e60c07b7630aee066bf27cae93f8de827c3fa073678

Aliases

arxiv: 1907.11620 · arxiv_version: 1907.11620v1 · doi: 10.48550/arxiv.1907.11620 · pith_short_12: CFY24N6GIJRV · pith_short_16: CFY24N6GIJRVEWBF · pith_short_8: CFY24N6G

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/CFY24N6GIJRVEWBFBZQMA63WGC \
  | 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: 1171ae37c642635258250e60c07b7630aee066bf27cae93f8de827c3fa073678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58360e9f25963d486b81246e29d55fbb6170bc4649ae995f25b63f2c6674a5a7",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-06-12T09:24:04Z",
    "title_canon_sha256": "1e54b472c0654cdaabd3e34ab08e858306bfbb8bcb2a46be88d497d34e8b6a70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11620",
    "kind": "arxiv",
    "version": 1
  }
}