Pith Number

pith:UDZO7UI7

pith:2019:UDZO7UI7LIB7Y4EE7DYDPYEWLD

not attested not anchored not stored refs pending

Adiabatic frequency shifting in epsilon near zero materials: The role of group velocity

Alexandra Boltasseva, Amr Shaltout, Clayton DeVault, Daniele Faccio, Jacob B Khurgin, Jongbum Kim, Lucia Caspani, Marcello Ferrera, Matteo Clerici, Nathaniel Kinsey, Vincenzo Bruno, Vladimir M. Shalaev

arxiv:1906.04849 v4 · 2019-06-11 · 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{UDZO7UI7LIB7Y4EE7DYDPYEWLD}

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	2026-07-05T01:20:46.021390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0f2efd11f5a03fc7084f8f037e09658fe5a9b6c6cb2fbce78073bf2f5e08b5f

Aliases

arxiv: 1906.04849 · arxiv_version: 1906.04849v4 · doi: 10.48550/arxiv.1906.04849 · pith_short_12: UDZO7UI7LIB7 · pith_short_16: UDZO7UI7LIB7Y4EE · pith_short_8: UDZO7UI7

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/UDZO7UI7LIB7Y4EE7DYDPYEWLD \
  | 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: a0f2efd11f5a03fc7084f8f037e09658fe5a9b6c6cb2fbce78073bf2f5e08b5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daea4e8bde3da15f359ab8de56245339c49426582ab3d0380be6f7cede7b9979",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-06-11T22:34:33Z",
    "title_canon_sha256": "d62aff1131baa35c01cddf9a492ab0d2f8062937e4bc7b4a89a930ba391c31c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04849",
    "kind": "arxiv",
    "version": 4
  }
}