Pith Number

pith:7KLS4Y7Q

pith:2016:7KLS4Y7QWV3HB37QH2D3YPZHLM

not attested not anchored not stored refs pending

Observation of photonic anomalous Floquet Topological Insulators

Alexander Szameit, Julia M. Zeuner, Lukas J. Maczewsky, Stefan Nolte

arxiv:1605.03877 v1 · 2016-05-12 · 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{7KLS4Y7QWV3HB37QH2D3YPZHLM}

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	2026-05-18T00:51:49.112647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa972e63f0b57670eff03e87bc3f275b05d02e93741e730bf23a91d5e86f8977

Aliases

arxiv: 1605.03877 · arxiv_version: 1605.03877v1 · doi: 10.48550/arxiv.1605.03877 · pith_short_12: 7KLS4Y7QWV3H · pith_short_16: 7KLS4Y7QWV3HB37Q · pith_short_8: 7KLS4Y7Q

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/7KLS4Y7QWV3HB37QH2D3YPZHLM \
  | 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: fa972e63f0b57670eff03e87bc3f275b05d02e93741e730bf23a91d5e86f8977

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b12d579a00497895e1ca5f0815ce6ca29f134ded235f6a25db4fd627943ab660",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-05-12T16:18:31Z",
    "title_canon_sha256": "c2b706effdbca766d83c45c7dabb5c349d394d5ca2731285d1a2ece7965c2c4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03877",
    "kind": "arxiv",
    "version": 1
  }
}