Pith Number

pith:KXJJPU6R

pith:2024:KXJJPU6RKDHGNV54WSYBRIEEF7

not attested not anchored not stored refs pending

High-efficiency, cryogenic-compatible grating couplers on an AlN-on-sapphire platform through bottom-side coupling

Chunzhen Li, Hong X. Tang, Jiacheng Xie, Mohan Shen, Yiyu Zhou

arxiv:2412.17941 v1 · 2024-12-23 · 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{KXJJPU6RKDHGNV54WSYBRIEEF7}

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	2026-07-05T09:53:31.112394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55d297d3d150ce66d7bcb4b018a0842fea91d361b12cb07a04d871404cdf6db4

Aliases

arxiv: 2412.17941 · arxiv_version: 2412.17941v1 · doi: 10.48550/arxiv.2412.17941 · pith_short_12: KXJJPU6RKDHG · pith_short_16: KXJJPU6RKDHGNV54 · pith_short_8: KXJJPU6R

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/KXJJPU6RKDHGNV54WSYBRIEEF7 \
  | 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: 55d297d3d150ce66d7bcb4b018a0842fea91d361b12cb07a04d871404cdf6db4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e0716520b1dee786e8b78a68c79ac927eedcec960280fc5df010531178e5757",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-12-23T19:54:05Z",
    "title_canon_sha256": "a7834a9dfa772956612585bab5d2ea893082d6dfe6c24a80ed7cb3e027a256ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.17941",
    "kind": "arxiv",
    "version": 1
  }
}