Pith Number

pith:3EOWCY5W

pith:2022:3EOWCY5WNLAGWA7QESCIC6UTMW

not attested not anchored not stored refs pending

Topological flatband loop states in fractal-like photonic lattices

Daohong Song, Jun-Won Rhim, Limin Song, Liqin Tang, Shiqi Xia, Yuqing Xie, Zhigang Chen

arxiv:2204.13899 v1 · 2022-04-29 · 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{3EOWCY5WNLAGWA7QESCIC6UTMW}

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	2026-07-05T04:18:54.882404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d91d6163b66ac06b03f02484817a936583304a42efddd03eb28d5bbe0796c3b9

Aliases

arxiv: 2204.13899 · arxiv_version: 2204.13899v1 · doi: 10.48550/arxiv.2204.13899 · pith_short_12: 3EOWCY5WNLAG · pith_short_16: 3EOWCY5WNLAGWA7Q · pith_short_8: 3EOWCY5W

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/3EOWCY5WNLAGWA7QESCIC6UTMW \
  | 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: d91d6163b66ac06b03f02484817a936583304a42efddd03eb28d5bbe0796c3b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca9206414d1ef2f0bdce9e2902edaa881c0c2a1ee931c574432be29d8eaa2458",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-04-29T06:24:05Z",
    "title_canon_sha256": "67477bb2d4a2b6efab97a7f9dc5083222e3aa7e7bc0cececf06ebb478d26fba4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.13899",
    "kind": "arxiv",
    "version": 1
  }
}