Pith Number

pith:5CKGPZBA

pith:2018:5CKGPZBAALFEEOFU4GZZUGAEIT

not attested not anchored not stored refs pending

Regret vs. Bandwidth Trade-off for Recommendation Systems

Christina Fragouli, Devavrat Shah, Linqi Song

arxiv:1810.06313 v1 · 2018-10-15 · cs.IR · cs.LG · stat.ML

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	2026-05-18T00:03:20.850133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e89467e42002ca4238b4e1b39a180444ffdcc92babf7f75f0d878066c90410e7

Aliases

arxiv: 1810.06313 · arxiv_version: 1810.06313v1 · doi: 10.48550/arxiv.1810.06313 · pith_short_12: 5CKGPZBAALFE · pith_short_16: 5CKGPZBAALFEEOFU · pith_short_8: 5CKGPZBA

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/5CKGPZBAALFEEOFU4GZZUGAEIT \
  | 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: e89467e42002ca4238b4e1b39a180444ffdcc92babf7f75f0d878066c90410e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6667410806afec40b29cc4b33591a3224b8edc7e2950eb4282dae7ab2f9a0fe4",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-10-15T12:41:25Z",
    "title_canon_sha256": "5b4bfa40df6b4c31702a94c4fbf06ec4229951f3649afe93ce551cc6dced2e37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06313",
    "kind": "arxiv",
    "version": 1
  }
}