Pith Number

pith:CDNBTQ66

pith:2020:CDNBTQ66U6AZSJGATJIHOWR2NL

not attested not anchored not stored refs pending

Stimulated emission at 1.54 $\mu$m from Erbium/Oxygen-doped silicon-based light emitting diodes

Chungang Duan, Fangyu Yue, Huimin Wen, Jens W. Tomm, Jiajing He, Jingquan Liu, Jin Hong, Junhao Chu, Yaping Dan

arxiv:2012.04387 v1 · 2020-12-08 · 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{CDNBTQ66U6AZSJGATJIHOWR2NL}

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	2026-07-05T01:58:03.643522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10da19c3dea7819924c09a50775a3a6ac9e597503552b4f23acb25c634ad84f1

Aliases

arxiv: 2012.04387 · arxiv_version: 2012.04387v1 · doi: 10.48550/arxiv.2012.04387 · pith_short_12: CDNBTQ66U6AZ · pith_short_16: CDNBTQ66U6AZSJGA · pith_short_8: CDNBTQ66

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/CDNBTQ66U6AZSJGATJIHOWR2NL \
  | 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: 10da19c3dea7819924c09a50775a3a6ac9e597503552b4f23acb25c634ad84f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "165e74f41c64ebfbbfc5e2569ced8c3bf2956f32f440314303a2a66fb012912f",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-12-08T12:05:07Z",
    "title_canon_sha256": "903eb8dc1ada81468567caeb7f9050a072ad7f65b98ee93aae3be768da2c3541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04387",
    "kind": "arxiv",
    "version": 1
  }
}