Pith Number

pith:XO7FD6S4

pith:2015:XO7FD6S4Z6UROAXAM3PJ47MPMP

not attested not anchored not stored refs pending

Conjugate metamaterials and the perfect lens

Huanyang Chen, Lin Xu, Yadong Xu, Yangyang Fu

arxiv:1510.08638 v1 · 2015-10-29 · 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{XO7FD6S4Z6UROAXAM3PJ47MPMP}

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	2026-05-18T01:28:28.181703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbbe51fa5ccfa91702e066de9e7d8f63c192550e0003f9ab51613639d671608b

Aliases

arxiv: 1510.08638 · arxiv_version: 1510.08638v1 · doi: 10.48550/arxiv.1510.08638 · pith_short_12: XO7FD6S4Z6UR · pith_short_16: XO7FD6S4Z6UROAXA · pith_short_8: XO7FD6S4

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/XO7FD6S4Z6UROAXAM3PJ47MPMP \
  | 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: bbbe51fa5ccfa91702e066de9e7d8f63c192550e0003f9ab51613639d671608b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d10105126251dff556f2678bb090ec42d51f78f3b5a422a4128e373aee229ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-10-29T10:52:47Z",
    "title_canon_sha256": "07d0970602b6a621aa29b3e2acd954ed60bcb9a2f22ff362027e36abcb23b5b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08638",
    "kind": "arxiv",
    "version": 1
  }
}