Pith Number

pith:6XVHAKIM

pith:2020:6XVHAKIMZM2EKHXQSHLV7HYSGV

not attested not anchored not stored refs pending

Tunable intraband optical conductivity and polarization-dependent epsilon-near-zero behavior in black phosphorus

George R. Rossman, Hans A. Bechtel, Harry A. Atwater, Kenji Watanabe, Meir Y. Grajower, Souvik Biswas, Takashi Taniguchi, William S. Whitney

arxiv:2009.00856 v1 · 2020-09-02 · physics.optics · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XVHAKIMZM2EKHXQSHLV7HYSGV}

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	2026-07-05T02:06:12.779950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5ea70290ccb34451ef091d75f9f1235590af418cf5e227bfe7bd475ea16dc0e

Aliases

arxiv: 2009.00856 · arxiv_version: 2009.00856v1 · doi: 10.48550/arxiv.2009.00856 · pith_short_12: 6XVHAKIMZM2E · pith_short_16: 6XVHAKIMZM2EKHXQ · pith_short_8: 6XVHAKIM

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/6XVHAKIMZM2EKHXQSHLV7HYSGV \
  | 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: f5ea70290ccb34451ef091d75f9f1235590af418cf5e227bfe7bd475ea16dc0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f836e88c80f84e0e844504d25c72e7a29fdc2f2e31e9e770800d4eb2f4882846",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-09-02T07:10:22Z",
    "title_canon_sha256": "a33bf5f1e6f236e5cbb3bbede50d5b7eb8f3fd3700a5756de313b1e9ef90f426"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.00856",
    "kind": "arxiv",
    "version": 1
  }
}