Pith Number

pith:Q4NNIVKR

pith:2025:Q4NNIVKR5KUKDBXM7BAMALJ4MT

not attested not anchored not stored refs pending

Trainable dynamical masking for readout-free optical computing

E. Manuylovich, S. Bogdanov, S. K. Turitsyn

arxiv:2505.23464 v1 · 2025-05-29 · 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{Q4NNIVKR5KUKDBXM7BAMALJ4MT}

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	2026-07-05T11:12:02.224631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

871ad45551eaa8a186ecf840c02d3c64f36aaf128b467ee57797399c0347ab8e

Aliases

arxiv: 2505.23464 · arxiv_version: 2505.23464v1 · doi: 10.48550/arxiv.2505.23464 · pith_short_12: Q4NNIVKR5KUK · pith_short_16: Q4NNIVKR5KUKDBXM · pith_short_8: Q4NNIVKR

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/Q4NNIVKR5KUKDBXM7BAMALJ4MT \
  | 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: 871ad45551eaa8a186ecf840c02d3c64f36aaf128b467ee57797399c0347ab8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21b2ad537fdd4e4a0f33f7635b807fbc393635dfa17b09f515713b9a44332174",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-05-29T14:15:25Z",
    "title_canon_sha256": "1dc5d79ad1bc7b8e362feba6f3b51ea65067368757015201004f0ca956e0562f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23464",
    "kind": "arxiv",
    "version": 1
  }
}