Pith Number

pith:3FTCCANY

pith:2012:3FTCCANYTLJ4TGYWO76XMJYJHI

not attested not anchored not stored refs pending

Optical isolation with epsilon-near-zero metamaterials

Ahmed Mahmoud, Arthur R. Davoyan, Nader Engheta

arxiv:1212.2292 v1 · 2012-12-11 · 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{3FTCCANYTLJ4TGYWO76XMJYJHI}

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	2026-05-18T01:52:40.245999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9662101b89ad3c99b1677fd7627093a30789c49f75548e25a7ea2463b90d38d

Aliases

arxiv: 1212.2292 · arxiv_version: 1212.2292v1 · doi: 10.48550/arxiv.1212.2292 · pith_short_12: 3FTCCANYTLJ4 · pith_short_16: 3FTCCANYTLJ4TGYW · pith_short_8: 3FTCCANY

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/3FTCCANYTLJ4TGYWO76XMJYJHI \
  | 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: d9662101b89ad3c99b1677fd7627093a30789c49f75548e25a7ea2463b90d38d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d951c1a83f54546752b59f8784bdcba264d04dba2d9db6d4c21b6560b7e9e358",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-12-11T03:49:50Z",
    "title_canon_sha256": "0d54720732909b0a251233608cae56dec555268c9396434da05c4dfbf0b7f72c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2292",
    "kind": "arxiv",
    "version": 1
  }
}