Pith Number

pith:K7ICV5WU

pith:2015:K7ICV5WU225PKZPTGNQSTITESW

not attested not anchored not stored refs pending

Polarization-controlled anisotropic coding metamaterials at terahertz frequencies

Chunmei Ouyang, Di Bao, Hao Yuan, Hui Feng Ma, Jiaguang Han, Liangliang Du, Qiang Cheng, Quan Xu, Shuo Liu, Tie Jun Cui, WeiLi Zhang, Wei Xiang Jiang, Wen Xuan Tang, Xiang Wan, Xiao Yang Zhou

arxiv:1509.03692 v1 · 2015-09-12 · 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{K7ICV5WU225PKZPTGNQSTITESW}

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	2026-05-18T01:33:14.827849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d02af6d4d6baf565f3336129a264959523e90a7f5f421bc6650ab35c492ef2

Aliases

arxiv: 1509.03692 · arxiv_version: 1509.03692v1 · doi: 10.48550/arxiv.1509.03692 · pith_short_12: K7ICV5WU225P · pith_short_16: K7ICV5WU225PKZPT · pith_short_8: K7ICV5WU

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/K7ICV5WU225PKZPTGNQSTITESW \
  | 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: 57d02af6d4d6baf565f3336129a264959523e90a7f5f421bc6650ab35c492ef2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ca94b5d16da99ad5a2f97206a8bdbd425f2391bf05c198485a5ff52ea0de39e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-09-12T01:52:59Z",
    "title_canon_sha256": "50fa68ea62c7a59452db5698b23200a96217416926aa115fdb0137b14e5aa503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03692",
    "kind": "arxiv",
    "version": 1
  }
}