Pith Number

pith:GF5VR7RO

pith:2021:GF5VR7RO5CDSY5N4CU4VEUSS7H

not attested not anchored not stored refs pending

1D photonic crystal direct bandgap GeSn-on-insulator laser

Chuan Seng Tan, Chulwon Lee, Daniel Burt, Dong-Ho Kang, Donguk Nam, Hyo-Jun Joo, Lin Zhang, Melvina Chen, Oussama Moutanabbir, Samuel Jior Parluhutan, Simone Assali, Yongduck Jung, Yong-Hoon Cho, Youngmin Kim, Zoran Ikonic

arxiv:2108.06142 v2 · 2021-08-13 · 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{GF5VR7RO5CDSY5N4CU4VEUSS7H}

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	2026-07-05T03:36:11.493017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

317b58fe2ee8872c75bc1539525252f9c5116ce7a845d100dea9c08927087ae0

Aliases

arxiv: 2108.06142 · arxiv_version: 2108.06142v2 · doi: 10.48550/arxiv.2108.06142 · pith_short_12: GF5VR7RO5CDS · pith_short_16: GF5VR7RO5CDSY5N4 · pith_short_8: GF5VR7RO

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/GF5VR7RO5CDSY5N4CU4VEUSS7H \
  | 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: 317b58fe2ee8872c75bc1539525252f9c5116ce7a845d100dea9c08927087ae0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "174708fa264d9a199bd65ad17971c6ed2a2f19e4077a0fa355453d6172d4ce38",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-08-13T09:24:08Z",
    "title_canon_sha256": "ab6e4f225fc8ac1d2f0426f8ebaccaea6c32e2b9aa2386f2c46089830070cb75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.06142",
    "kind": "arxiv",
    "version": 2
  }
}