Pith Number

pith:MTQLY56V

pith:2010:MTQLY56VE3IGNSM6NVXY5DT5SC

not attested not anchored not stored refs pending

Broadband negative refraction in stacked fishnet metamaterial

Chao Wu, Hongqiang Li, Jin Han, Yang Cao, Yuancheng Fan, Zeyong Wei

arxiv:1008.2106 v1 · 2010-08-07 · 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{MTQLY56VE3IGNSM6NVXY5DT5SC}

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	2026-05-18T02:05:49.024044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64e0bc77d526d066c99e6d6f8e8e7d909904f460d8efb6011796af0f622e9acb

Aliases

arxiv: 1008.2106 · arxiv_version: 1008.2106v1 · doi: 10.48550/arxiv.1008.2106 · pith_short_12: MTQLY56VE3IG · pith_short_16: MTQLY56VE3IGNSM6 · pith_short_8: MTQLY56V

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/MTQLY56VE3IGNSM6NVXY5DT5SC \
  | 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: 64e0bc77d526d066c99e6d6f8e8e7d909904f460d8efb6011796af0f622e9acb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f43ac439df67f65b69580c4a793ffb8b49e7216b2818df551a9ae85c77aa3bd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-08-07T09:28:02Z",
    "title_canon_sha256": "c1757f61605f6651a8c490922383d756abc958a4eceab4c7ae4a140646b97d86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2106",
    "kind": "arxiv",
    "version": 1
  }
}