Pith Number

pith:35TLJ4VM

pith:2025:35TLJ4VM2RR22FWRS3VEADSBSY

not attested not anchored not stored refs pending

On-chip real-time detection of optical frequency variations with ultrahigh resolution using the sine-cosine encoder approach

Heyun Tan, Wei Ke, Xiaosong Ma, Xichen Wang, Xinlun Cai, X. Steve Yao, Yulong Yang, Yuntao Zhu, Zhongjin Lin

arxiv:2501.15353 v1 · 2025-01-26 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{35TLJ4VM2RR22FWRS3VEADSBSY}

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	2026-07-05T10:05:27.887835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df66b4f2acd463ad16d196ea400e41963d1213acbdb72c7af7f23ffe0828a251

Aliases

arxiv: 2501.15353 · arxiv_version: 2501.15353v1 · doi: 10.48550/arxiv.2501.15353 · pith_short_12: 35TLJ4VM2RR2 · pith_short_16: 35TLJ4VM2RR22FWR · pith_short_8: 35TLJ4VM

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/35TLJ4VM2RR22FWRS3VEADSBSY \
  | 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: df66b4f2acd463ad16d196ea400e41963d1213acbdb72c7af7f23ffe0828a251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57c732b9915d4d8985d1c6c12182c4da0e7d7c0742f025f9dfd02c772d501704",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-01-26T00:09:04Z",
    "title_canon_sha256": "5e87fa8e915045a4ca6910bc62b330d213bc4cf6a4d88eaa302ff862265c17a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.15353",
    "kind": "arxiv",
    "version": 1
  }
}