Pith Number

pith:3WR7NL2I

pith:2019:3WR7NL2IU662FHO675BQOYAKZN

not attested not anchored not stored refs pending

Twisted quadrupole topological photonic crystals

Bo Hou, Jian-Hua Jiang, Weixin Lu, Xiaoxi Zhou, Yun Lai, Zhi-Kang Lin

arxiv:1912.06517 v3 · 2019-12-12 · cond-mat.mes-hall · cond-mat.mtrl-sci · 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{3WR7NL2IU662FHO675BQOYAKZN}

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	2026-07-05T02:00:09.601281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda3f6af48a7bda29ddeff4307600acb4ea3b62c126d0a9d0dfce3d300d3076f

Aliases

arxiv: 1912.06517 · arxiv_version: 1912.06517v3 · doi: 10.48550/arxiv.1912.06517 · pith_short_12: 3WR7NL2IU662 · pith_short_16: 3WR7NL2IU662FHO6 · pith_short_8: 3WR7NL2I

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/3WR7NL2IU662FHO675BQOYAKZN \
  | 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: dda3f6af48a7bda29ddeff4307600acb4ea3b62c126d0a9d0dfce3d300d3076f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b91adc6cc6e50e33334452d649aa3bc780d5142970d04a91ecd820256b4cc18d",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-12-12T03:06:35Z",
    "title_canon_sha256": "d56ca5ecd4e4f86554e65b0e51262273d34814691af909239fb3323ac459d6ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06517",
    "kind": "arxiv",
    "version": 3
  }
}