Pith Number

pith:ABGRPY7W

pith:2020:ABGRPY7WW7EJXIM2VS3MBNRJNL

not attested not anchored not stored refs pending

Topologically protected Fano resonance in photonic valley Hall insulators

Bingsuo Zou, Chang-Yin Ji, Yongyou Zhang, Yugui Yao

arxiv:2005.10426 v4 · 2020-05-21 · 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{ABGRPY7WW7EJXIM2VS3MBNRJNL}

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	2026-07-05T02:56:36.162229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

004d17e3f6b7c89ba19aacb6c0b6296afaa99e96f1e54e29a2b8f1b1449bd81c

Aliases

arxiv: 2005.10426 · arxiv_version: 2005.10426v4 · doi: 10.48550/arxiv.2005.10426 · pith_short_12: ABGRPY7WW7EJ · pith_short_16: ABGRPY7WW7EJXIM2 · pith_short_8: ABGRPY7W

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/ABGRPY7WW7EJXIM2VS3MBNRJNL \
  | 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: 004d17e3f6b7c89ba19aacb6c0b6296afaa99e96f1e54e29a2b8f1b1449bd81c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c97e9a23747d353b7c2b2e0b0c48b728aabed6c97bfa7f1a7f3aca2998219a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-05-21T02:17:24Z",
    "title_canon_sha256": "f379edcff04556a49aaf22fc0472d503b8a755ada01324f54268b123d3828524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10426",
    "kind": "arxiv",
    "version": 4
  }
}