Pith Number

pith:XS47IX3Q

pith:2019:XS47IX3QESUAGU5B5M32VDWARI

not attested not anchored not stored refs pending

Efficient Er/O Doped Silicon Light-Emitting Diodes at Communication Wavelength by Deep Cooling

Fangyu Yue, Huimin Wen, Jiajing He, Jin Hong, Yaping Dan

arxiv:1901.07664 v1 · 2019-01-23 · 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{XS47IX3QESUAGU5B5M32VDWARI}

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	2026-05-17T23:55:41.917720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcb9f45f7024a80353a1eb37aa8ec08a0402936e5c32e107e7be826fcadf05e0

Aliases

arxiv: 1901.07664 · arxiv_version: 1901.07664v1 · doi: 10.48550/arxiv.1901.07664 · pith_short_12: XS47IX3QESUA · pith_short_16: XS47IX3QESUAGU5B · pith_short_8: XS47IX3Q

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/XS47IX3QESUAGU5B5M32VDWARI \
  | 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: bcb9f45f7024a80353a1eb37aa8ec08a0402936e5c32e107e7be826fcadf05e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bea0e33e2d2f3904e6607badd1e95da808a6262f5c34fc999e91390426b03468",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-01-23T00:47:22Z",
    "title_canon_sha256": "0a262f16c5c4111a2cabfb66f2a7be423865d13303b9bd8d88eaffdebb9da9d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07664",
    "kind": "arxiv",
    "version": 1
  }
}