Pith Number

pith:MHMQ2WQB

pith:2020:MHMQ2WQB3PFLRUSLHCGGBRGU6Y

not attested not anchored not stored refs pending

Low power reconfigurability and reduced crosstalk in integrated photonic circuits fabricated by femtosecond laser micromachining

Andrea Crespi, Ciro Pentangelo, Francesco Ceccarelli, Francesco Pellegatta, Roberto Osellame, Simone Atzeni

arxiv:2001.08144 v2 · 2020-01-22 · physics.optics · physics.app-ph · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHMQ2WQB3PFLRUSLHCGGBRGU6Y}

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	2026-07-05T01:41:29.822861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61d90d5a01dbcab8d24b388c60c4d4f63c8d94ea7310311cae0352156c508a3c

Aliases

arxiv: 2001.08144 · arxiv_version: 2001.08144v2 · doi: 10.48550/arxiv.2001.08144 · pith_short_12: MHMQ2WQB3PFL · pith_short_16: MHMQ2WQB3PFLRUSL · pith_short_8: MHMQ2WQB

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/MHMQ2WQB3PFLRUSLHCGGBRGU6Y \
  | 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: 61d90d5a01dbcab8d24b388c60c4d4f63c8d94ea7310311cae0352156c508a3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0106522b6e53071429511cf8d84c10442e6cccc31209bc66f2f32b0b967cc88",
    "cross_cats_sorted": [
      "physics.app-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-01-22T16:53:44Z",
    "title_canon_sha256": "576f6345c9892d15957bf4fa74832b9fa6c295761a9c767b985d1cf9efe13c3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08144",
    "kind": "arxiv",
    "version": 2
  }
}