Pith Number

pith:E3Q2SG3Z

pith:2016:E3Q2SG3Z257YRZSSTEJROCDY6I

not attested not anchored not stored refs pending

Enhanced nonlinear refractive index in epsilon-near-zero materials

A. Boltasseva, A. Di Falco, D. Faccio, J. Kim, L. Caspani, M. Clerici, M. Ferrera, M. Pietrzyk, N. Kinsey, R. P. M. Kaipurath, T. Roger, V. M. Shalaev

arxiv:1603.03581 v2 · 2016-03-11 · 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{E3Q2SG3Z257YRZSSTEJROCDY6I}

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	2026-05-18T01:12:29.819567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26e1a91b79d77f88e6529913170878f206010e5f43885c0b7ee6a537b88ca461

Aliases

arxiv: 1603.03581 · arxiv_version: 1603.03581v2 · doi: 10.48550/arxiv.1603.03581 · pith_short_12: E3Q2SG3Z257Y · pith_short_16: E3Q2SG3Z257YRZSS · pith_short_8: E3Q2SG3Z

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/E3Q2SG3Z257YRZSSTEJROCDY6I \
  | 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: 26e1a91b79d77f88e6529913170878f206010e5f43885c0b7ee6a537b88ca461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a65e4ec9cc829612504040d74c4d2cda32d489674de5cf551c496e4cb0a4ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-03-11T10:02:30Z",
    "title_canon_sha256": "59c9ba99f9afb291f44f93c71924f3263a1438edcd27974b2c5328910da28476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03581",
    "kind": "arxiv",
    "version": 2
  }
}