Pith Number

pith:TYZIOTKY

pith:2018:TYZIOTKYRYQBEJIGLGRKYII6MV

not attested not anchored not stored refs pending

Neighborhood Troubles: On the Value of User Pre-Filtering To Speed Up and Enhance Recommendations

Dominik Kowald, Elisabeth Lex, Emanuel Lacic

arxiv:1808.06417 v1 · 2018-08-20 · 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	2026-05-18T00:07:45.009211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e32874d588e2012250659a2ac211e655ab57536331d1447b0c48b600acf968c

Aliases

arxiv: 1808.06417 · arxiv_version: 1808.06417v1 · doi: 10.48550/arxiv.1808.06417 · pith_short_12: TYZIOTKYRYQB · pith_short_16: TYZIOTKYRYQBEJIG · pith_short_8: TYZIOTKY

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/TYZIOTKYRYQBEJIGLGRKYII6MV \
  | 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: 9e32874d588e2012250659a2ac211e655ab57536331d1447b0c48b600acf968c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46a8b19ce6856a4b816c8b1b0b1e9a8854fb64e365420eb2ddb44bfc227ce733",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-08-20T12:27:33Z",
    "title_canon_sha256": "a2c7892a8d23829790adfd458142b073148e8b96b05225a683d706cba75ca6f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06417",
    "kind": "arxiv",
    "version": 1
  }
}