Pith Number

pith:HV6QLK3B

pith:2019:HV6QLK3BDMYZ3Y72CH7AKDMXUD

not attested not anchored not stored refs pending

Experience Replay Optimization

Daochen Zha, Kaixiong Zhou, Kwei-Herng Lai, Xia Hu

arxiv:1906.08387 v1 · 2019-06-19 · 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	2026-05-17T23:42:52.616396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d7d05ab611b319de3fa11fe050d97a0d8d0db36a2dc73ef941a94ccf542bfe0

Aliases

arxiv: 1906.08387 · arxiv_version: 1906.08387v1 · doi: 10.48550/arxiv.1906.08387 · pith_short_12: HV6QLK3BDMYZ · pith_short_16: HV6QLK3BDMYZ3Y72 · pith_short_8: HV6QLK3B

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/HV6QLK3BDMYZ3Y72CH7AKDMXUD \
  | 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: 3d7d05ab611b319de3fa11fe050d97a0d8d0db36a2dc73ef941a94ccf542bfe0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "972f553f46aa390f1cca9235a273160b1b755fc5adf136e3951f7f459998ed2b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-19T22:46:39Z",
    "title_canon_sha256": "28f4feed064d9cb5d19a0e5954b300091eb1b711c452db57f8f818fff6274337"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08387",
    "kind": "arxiv",
    "version": 1
  }
}