Pith Number

pith:ELKS7GEZ

pith:2021:ELKS7GEZ5NKL5TPYP3OOCI2XAZ

not attested not anchored not stored refs pending

LightOn Optical Processing Unit: Scaling-up AI and HPC with a Non von Neumann co-processor

Alessandro Cappelli, Am\'elie Chatelain, Charidimos Chaintoutis, Charles Brossollet, Daniel Hesslow, Elena Tommasone, Fabien Moreau, Florent Krzakala, Gustave Pariente, Iacopo Poli, Igor Carron, Julien Launay, Kilian M\"uller, Laurent Daudet, Ruben Ohana, Safa Mokaadi, Sylvain Gigan

arxiv:2107.11814 v1 · 2021-07-25 · cs.AR · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ELKS7GEZ5NKL5TPYP3OOCI2XAZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-07-05T05:28:38.961513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22d52f9899eb54becdf87edce1235706721d4ee8eaa64b2e657d45732cbfeb70

Aliases

arxiv: 2107.11814 · arxiv_version: 2107.11814v1 · doi: 10.48550/arxiv.2107.11814 · pith_short_12: ELKS7GEZ5NKL · pith_short_16: ELKS7GEZ5NKL5TPY · pith_short_8: ELKS7GEZ

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/ELKS7GEZ5NKL5TPYP3OOCI2XAZ \
  | 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: 22d52f9899eb54becdf87edce1235706721d4ee8eaa64b2e657d45732cbfeb70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba73facdcbbb0efffea54d46ab857390ee17ef25b64fe5efd8694f6cde68b858",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2021-07-25T14:27:38Z",
    "title_canon_sha256": "8faaabd8b499a863c9059c1c9cc63b41a6663feeb09231f4ec5f5f523ab14c58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.11814",
    "kind": "arxiv",
    "version": 1
  }
}