Pith Number

pith:7HOSMQCU

pith:2020:7HOSMQCUGGRU2MFXOBAIDIBZAZ

not attested not anchored not stored refs pending

A novel design of all-optical half adder using a linear defect in a square lattice rod-based photonic crystal microstructure

Hamed Saghaei, Saleh Naghizade

arxiv:2002.04535 v1 · 2020-02-11 · physics.optics · physics.app-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{7HOSMQCUGGRU2MFXOBAIDIBZAZ}

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	2026-07-05T00:39:46.284821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9dd26405431a34d30b7704081a03906554c41d813b46b2d780df34f34a2a0aa

Aliases

arxiv: 2002.04535 · arxiv_version: 2002.04535v1 · doi: 10.48550/arxiv.2002.04535 · pith_short_12: 7HOSMQCUGGRU · pith_short_16: 7HOSMQCUGGRU2MFX · pith_short_8: 7HOSMQCU

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/7HOSMQCUGGRU2MFXOBAIDIBZAZ \
  | 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: f9dd26405431a34d30b7704081a03906554c41d813b46b2d780df34f34a2a0aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c96efa22b1ac7d17b5133724f6ef5585ee88c4a2416e1bf82a94e3e0165cfd3",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-02-11T16:42:45Z",
    "title_canon_sha256": "1800abc4ade91d88b0420585c5d1bab59025309e23b608303baf57a6ed38200f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04535",
    "kind": "arxiv",
    "version": 1
  }
}