Pith Number

pith:KF57DHA7

pith:2015:KF57DHA7TY7XC5BWXHY6UDJBFB

not attested not anchored not stored refs pending

Topological invariance and global Berry phase in non-Hermitian systems

Guang-Yao Huang, Shi-Dong Liang

arxiv:1502.00443 v1 · 2015-02-02 · 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{KF57DHA7TY7XC5BWXHY6UDJBFB}

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	2026-05-18T02:28:05.981164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

517bf19c1f9e3f717436b9f1ea0d2128728b1f73cf2aa9f4b26d586f3750c6f6

Aliases

arxiv: 1502.00443 · arxiv_version: 1502.00443v1 · doi: 10.48550/arxiv.1502.00443 · pith_short_12: KF57DHA7TY7X · pith_short_16: KF57DHA7TY7XC5BW · pith_short_8: KF57DHA7

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/KF57DHA7TY7XC5BWXHY6UDJBFB \
  | 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: 517bf19c1f9e3f717436b9f1ea0d2128728b1f73cf2aa9f4b26d586f3750c6f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd5fe41ba2d937d465c2b0d90a594aaea7c2302336fd457c4ed520d4b4db45fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-02T11:34:08Z",
    "title_canon_sha256": "7015958eec7b94643ee8d8efe81cc99c466c179b455b7422f6aa243fe0d75056"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00443",
    "kind": "arxiv",
    "version": 1
  }
}