Pith Number

pith:2YK4Q4PW

pith:2015:2YK4Q4PW6XMUSMRSTX2V7HQMFG

not attested not anchored not stored refs pending

Random Projections through multiple optical scattering: Approximating kernels at the speed of light

Alaa Saade, Ang\'elique Dr\'emeau, Florent Krzakala, Francesco Caltagirone, Igor Carron, Laurent Daudet, Sylvain Gigan

arxiv:1510.06664 v2 · 2015-10-22 · cs.ET · cs.LG · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YK4Q4PW6XMUSMRSTX2V7HQMFG}

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	2026-05-18T01:07:56.968367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d615c871f6f5d94932329df55f9e0c29bfe7fefe06b99c12dba7d81551c6ba07

Aliases

arxiv: 1510.06664 · arxiv_version: 1510.06664v2 · doi: 10.48550/arxiv.1510.06664 · pith_short_12: 2YK4Q4PW6XMU · pith_short_16: 2YK4Q4PW6XMUSMRS · pith_short_8: 2YK4Q4PW

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/2YK4Q4PW6XMUSMRSTX2V7HQMFG \
  | 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: d615c871f6f5d94932329df55f9e0c29bfe7fefe06b99c12dba7d81551c6ba07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b743e842296dc4779007a13ad6fc2c9e9cb771ed69d5e9bb39bd4bbc5c618d0f",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2015-10-22T15:54:30Z",
    "title_canon_sha256": "41a0b8d6d205eadd22af5a64d1cba0c805e9bd95e861873ef6c7949426f3227b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06664",
    "kind": "arxiv",
    "version": 2
  }
}