Pith Number

pith:UKCHX7IZ

pith:2007:UKCHX7IZNEILUXZLSDB5R55BU7

not attested not anchored not stored refs pending

Alternative approach to all-angle negative refraction in two-dimensional photonic crystals

S. Sridhar, W. T. Lu, Y. J. Huang

arxiv:cond-mat/0703733 v2 · 2007-03-27 · cond-mat.other

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKCHX7IZNEILUXZLSDB5R55BU7}

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	2026-05-18T04:08:54.434847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2847bfd196910ba5f2b90c3d8f7a1a7f57dc1eb7d7bf1af92434a92ffb81ca6

Aliases

arxiv: cond-mat/0703733 · arxiv_version: cond-mat/0703733v2 · doi: 10.48550/arxiv.cond-mat/0703733 · pith_short_12: UKCHX7IZNEIL · pith_short_16: UKCHX7IZNEILUXZL · pith_short_8: UKCHX7IZ

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/UKCHX7IZNEILUXZLSDB5R55BU7 \
  | 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: a2847bfd196910ba5f2b90c3d8f7a1a7f57dc1eb7d7bf1af92434a92ffb81ca6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c88990da356eb288a9a3af655acf7b8273de077bcfeb68d6732ef25f17c6040",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2007-03-27T23:24:50Z",
    "title_canon_sha256": "c3ade953bf683c5a5a96030a7afc28ddf4aef7f8229bb9714fc858eafe132ec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0703733",
    "kind": "arxiv",
    "version": 2
  }
}