Pith Number

pith:HQCCZXZF

pith:2020:HQCCZXZFUEJ3BHAQF6FBD27UXL

not attested not anchored not stored refs pending

Bayesian optimisation of large-scale photonic reservoir computers

Damien Rontani, Daniel Brunner, Nicolas Marsal, Piotr Antonik

arxiv:2004.02535 v1 · 2020-04-06 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQCCZXZFUEJ3BHAQF6FBD27UXL}

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	2026-07-05T00:53:00.233088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c042cdf25a113b09c102f8a11ebf4bafc1915588017f09577ef448992e3e5e2

Aliases

arxiv: 2004.02535 · arxiv_version: 2004.02535v1 · doi: 10.48550/arxiv.2004.02535 · pith_short_12: HQCCZXZFUEJ3 · pith_short_16: HQCCZXZFUEJ3BHAQ · pith_short_8: HQCCZXZF

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/HQCCZXZFUEJ3BHAQF6FBD27UXL \
  | 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: 3c042cdf25a113b09c102f8a11ebf4bafc1915588017f09577ef448992e3e5e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d70f5a54ab72ae32b98cb54f323f6f6d5393a8c4de6478029a3130fd249d7205",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-04-06T10:11:03Z",
    "title_canon_sha256": "77ed0d13330c57c4c46ee361eed7f5c2b86e1ceba0f79c4025f97db63fea25c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02535",
    "kind": "arxiv",
    "version": 1
  }
}