Pith Number

pith:PXMMXR2L

pith:2020:PXMMXR2LOC6H4UORULAJD3J2L6

not attested not anchored not stored refs pending

Electrically injected GeSn lasers with peak wavelength up to 2.7 micrometer at 90 K

Baohua Li, Gregory Salamo, Greg Sun, Grey Abernathy, Huong Tran, Jake Bass, Jifeng Liu, Joe Margetis, John Tolle, Joshua M. Grant, Richard A. Soref, Shui-Qing Yu, Solomon Ojo, Sylvester Amoah, Wei Du, Yiyin Zhou, Yong-Hang Zhang, Yuanhao Miao

arxiv:2009.12229 v1 · 2020-09-25 · 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{PXMMXR2LOC6H4UORULAJD3J2L6}

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	2026-07-05T01:38:00.796737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dd8cbc74b70bc7e51d1a2c091ed3a5f9fb8ad2a5d4acf08081223a66bc79f47

Aliases

arxiv: 2009.12229 · arxiv_version: 2009.12229v1 · doi: 10.48550/arxiv.2009.12229 · pith_short_12: PXMMXR2LOC6H · pith_short_16: PXMMXR2LOC6H4UOR · pith_short_8: PXMMXR2L

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/PXMMXR2LOC6H4UORULAJD3J2L6 \
  | 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: 7dd8cbc74b70bc7e51d1a2c091ed3a5f9fb8ad2a5d4acf08081223a66bc79f47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0af658a3f9b1a7d719934e9f278a9ecffb42aefa1ea2205815e6cbc28126ad68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-09-25T13:17:56Z",
    "title_canon_sha256": "bd610bffa312ffe440be371e22d049bf20b0907c724e4dd0e347ec6e55dffae8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12229",
    "kind": "arxiv",
    "version": 1
  }
}