Pith Number

pith:PCO625ZP

pith:2018:PCO625ZP5A6E777GV5LNJCB2XZ

not attested not anchored not stored refs pending

Topological photonic crystal nanocavity laser

Katsuyuki Watanabe, Ryota Katsumi, Satoshi Iwamoto, Yasuhiko Arakawa, Yasutomo Ota

arxiv:1806.09826 v1 · 2018-06-26 · 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{PCO625ZP5A6E777GV5LNJCB2XZ}

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	2026-05-17T23:43:17.899294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

789ded772fe83c4fffe6af56d4883abe76688c90c6711cdb36bd30ad3853904c

Aliases

arxiv: 1806.09826 · arxiv_version: 1806.09826v1 · doi: 10.48550/arxiv.1806.09826 · pith_short_12: PCO625ZP5A6E · pith_short_16: PCO625ZP5A6E777G · pith_short_8: PCO625ZP

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/PCO625ZP5A6E777GV5LNJCB2XZ \
  | 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: 789ded772fe83c4fffe6af56d4883abe76688c90c6711cdb36bd30ad3853904c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b10a8d551abb35339fa768d5339f554035b9bda16749b18417bfea79b3f59c6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-06-26T07:45:09Z",
    "title_canon_sha256": "d9c2b685ddbd54f23c1171e6a99d028817ab0c14df4263df87719b91bf6afb9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09826",
    "kind": "arxiv",
    "version": 1
  }
}