Pith Number

pith:QTJPDOK3

pith:2019:QTJPDOK37PIDRLMA5YWGX6WS5D

not attested not anchored not stored refs pending

Online Object Representations with Contrastive Learning

Corey Lynch, Mohi Khansari, Pierre Sermanet, S\"oren Pirk, Yunfei Bai

arxiv:1906.04312 v1 · 2019-06-10 · cs.CV · cs.LG · cs.RO

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	2026-05-17T23:43:39.676122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84d2f1b95bfbd038ad80ee2c6bfad2e8c4c131f096d8cbb42d2a4aad0c566148

Aliases

arxiv: 1906.04312 · arxiv_version: 1906.04312v1 · doi: 10.48550/arxiv.1906.04312 · pith_short_12: QTJPDOK37PID · pith_short_16: QTJPDOK37PIDRLMA · pith_short_8: QTJPDOK3

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/QTJPDOK37PIDRLMA5YWGX6WS5D \
  | 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: 84d2f1b95bfbd038ad80ee2c6bfad2e8c4c131f096d8cbb42d2a4aad0c566148

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3836811947d48307459fe53e69bcf7e42d702de2eb8e1934547fc999af8dff86",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-10T22:43:20Z",
    "title_canon_sha256": "84fc0cc9710cb694088a5f6a2ccf27e9addf15bbf5518491e684bf1d0aa11f0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04312",
    "kind": "arxiv",
    "version": 1
  }
}