Pith Number

pith:UPT2GU4L

pith:2018:UPT2GU4LLOCEI2YKT43AY5MO3S

not attested not anchored not stored refs pending

Size and Periodicity Effects on Terahertz Properties of Gammadion Metamaterials

A.M. Potts, Daniel M. Heligman, E.V. Jasper, M.T. Warren, N. Crescimanno, R. Vald\'es Aguilar, T.T. Mai

arxiv:1811.06041 v1 · 2018-11-14 · 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{UPT2GU4LLOCEI2YKT43AY5MO3S}

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	2026-05-18T00:00:38.806712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e7a3538b5b84446b0a9f360c758edc81a2a6ad54fcb260c14d25f21da8c8db

Aliases

arxiv: 1811.06041 · arxiv_version: 1811.06041v1 · doi: 10.48550/arxiv.1811.06041 · pith_short_12: UPT2GU4LLOCE · pith_short_16: UPT2GU4LLOCEI2YK · pith_short_8: UPT2GU4L

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/UPT2GU4LLOCEI2YKT43AY5MO3S \
  | 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: a3e7a3538b5b84446b0a9f360c758edc81a2a6ad54fcb260c14d25f21da8c8db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef178900dfc339504ea6b2d16ade518223e48959719b20dc5030614d8c04fff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-11-14T20:13:02Z",
    "title_canon_sha256": "798680232750225339d02b9e1932f7698f8c102982330b093f6507ebfcb196ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06041",
    "kind": "arxiv",
    "version": 1
  }
}