Pith Number

pith:VUPXGUMC

pith:2019:VUPXGUMCHAW74ZAPFRTM7XBWGL

not attested not anchored not stored refs pending

Observation of novel robust edge states without bulk-boundary correspondence in non-Hermitian quantum walks

Bo Wang, Tian Chen, Xiangdong Zhang

arxiv:1906.06676 v1 · 2019-06-16 · physics.optics · quant-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{VUPXGUMCHAW74ZAPFRTM7XBWGL}

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	2026-05-17T23:43:12.969483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad1f735182382dfe640f2c66cfdc3632d99d577e6b5555283942894b86c684a0

Aliases

arxiv: 1906.06676 · arxiv_version: 1906.06676v1 · doi: 10.48550/arxiv.1906.06676 · pith_short_12: VUPXGUMCHAW7 · pith_short_16: VUPXGUMCHAW74ZAP · pith_short_8: VUPXGUMC

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/VUPXGUMCHAW74ZAPFRTM7XBWGL \
  | 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: ad1f735182382dfe640f2c66cfdc3632d99d577e6b5555283942894b86c684a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd5ab97d64599dfb5abc23ae0cc0fe39c0f57b68912e7eb51e91c23d4d3e4615",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-06-16T13:06:42Z",
    "title_canon_sha256": "1de30b6a362221cd54c3c891efb4c789f92e26ea8da1d368afd5a7bbed920f98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06676",
    "kind": "arxiv",
    "version": 1
  }
}