Pith Number

pith:Z5TOQOT6

pith:2018:Z5TOQOT6OBZQL2HYPT3VQYV363

not attested not anchored not stored refs pending

The optical properties of transferred graphene and the dielectrics grown on it obtained by ellipsometry

Aarne Kasikov, Aivar Tarre, Harry Alles, Helina Seemen, Leonard Matisen, Margus Kodu, Tauno Kahro

arxiv:1802.08220 v1 · 2018-02-22 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5TOQOT6OBZQL2HYPT3VQYV363}

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	2026-05-18T00:22:45.250072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf66e83a7e707305e8f87cf75862bbf6e23855659b6a811c5418527e1d1ecb64

Aliases

arxiv: 1802.08220 · arxiv_version: 1802.08220v1 · doi: 10.48550/arxiv.1802.08220 · pith_short_12: Z5TOQOT6OBZQ · pith_short_16: Z5TOQOT6OBZQL2HY · pith_short_8: Z5TOQOT6

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/Z5TOQOT6OBZQL2HYPT3VQYV363 \
  | 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: cf66e83a7e707305e8f87cf75862bbf6e23855659b6a811c5418527e1d1ecb64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8df78874b6938618ca499de90ad7f82b02b467127737fa5ea81680ddf15e8d01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-02-22T18:19:21Z",
    "title_canon_sha256": "4f87209fb736de4e2094c6c92c9138485567e422dc81fb826990fdb7e883eff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08220",
    "kind": "arxiv",
    "version": 1
  }
}