Pith Number

pith:7BQ6SDIR

pith:2025:7BQ6SDIRJVSCCNPCI3SDTXLWTA

not attested not anchored not stored refs pending

Unlock giant nonreciprocity via multi-valued behavior of non-Hermitian zero-index materials

Cheng-Wei Qiu, Dengfu Deng, Di Wu, Fulong Shi, Jianfeng Chen, Jun Qin, Lei Bi, Longjiang Deng, Phatham Loahavilai, Tianchi Zhang, Tian Dong, Tianyi Zhang, Yang Li, Yucong Yang, Yueyang Liu, Zixuan Wei

arxiv:2509.06121 v1 · 2025-09-07 · 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{7BQ6SDIRJVSCCNPCI3SDTXLWTA}

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	2026-07-05T12:06:30.352768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f861e90d114d642135e246e439dd76983a67a60dbb4d292e714123c6a3056474

Aliases

arxiv: 2509.06121 · arxiv_version: 2509.06121v1 · doi: 10.48550/arxiv.2509.06121 · pith_short_12: 7BQ6SDIRJVSC · pith_short_16: 7BQ6SDIRJVSCCNPC · pith_short_8: 7BQ6SDIR

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/7BQ6SDIRJVSCCNPCI3SDTXLWTA \
  | 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: f861e90d114d642135e246e439dd76983a67a60dbb4d292e714123c6a3056474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d3be7d63aa0f3ec97b212b2f6438eb16a24da8adcc892e75960907c5f7949ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-09-07T16:08:50Z",
    "title_canon_sha256": "02382aafbf30fcb2795726adb650abfe4018345b90d99aee38c32eee3efa7756"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.06121",
    "kind": "arxiv",
    "version": 1
  }
}