Pith Number

pith:MDO54D4K

pith:2021:MDO54D4K7KYSEOXCFHSH2WLVZY

not attested not anchored not stored refs pending

Topologically protected valley-dependent quantum photonic circuits

Dao-Xin Dai, Guang-Can Guo, Hao-Yang Qiu, Jian-Wen Dong, Lan-Tian Feng, Ming Zhang, Xi-Feng Ren, Xin-Tao He, Yang Chen, Yu-Jie Cheng

arxiv:2103.06686 v1 · 2021-03-11 · quant-ph · 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{MDO54D4K7KYSEOXCFHSH2WLVZY}

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	2026-07-05T02:49:47.039232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60ddde0f8afab1223ae229e47d5975ce0782cc49324f660a53e026bf549e3364

Aliases

arxiv: 2103.06686 · arxiv_version: 2103.06686v1 · doi: 10.48550/arxiv.2103.06686 · pith_short_12: MDO54D4K7KYS · pith_short_16: MDO54D4K7KYSEOXC · pith_short_8: MDO54D4K

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/MDO54D4K7KYSEOXCFHSH2WLVZY \
  | 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: 60ddde0f8afab1223ae229e47d5975ce0782cc49324f660a53e026bf549e3364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f848c7183f2fb6107758a12bd6a295946b07068935fa379db433cb5b4b766273",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-11T14:18:39Z",
    "title_canon_sha256": "5728c865b1fefb8375e52bae2d76f4613fe17e2136c1c105ccb8984fb4aeb833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06686",
    "kind": "arxiv",
    "version": 1
  }
}