Pith Number

pith:FAYELXXQ

pith:2023:FAYELXXQ6MTYRLT4KSCDUPFHFB

not attested not anchored not stored refs pending

Precise Measurement of Refractive Indices in Thin Film Heterostructures

David Follman, Garrett D. Cole, Gar-Wing Truong, Georg Winkler, Lukas W. Perner, Maximilian Prinz, Oliver H. Heckl, Stephan Puchegger

arxiv:2301.07712 v1 · 2023-01-18 · physics.optics · cond-mat.mtrl-sci · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FAYELXXQ6MTYRLT4KSCDUPFHFB}

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	2026-07-05T05:34:18.617829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

283045def0f32788ae7c54843a3ca7286d75f4a75ce18540cc0c9acd4a8d4e58

Aliases

arxiv: 2301.07712 · arxiv_version: 2301.07712v1 · doi: 10.48550/arxiv.2301.07712 · pith_short_12: FAYELXXQ6MTY · pith_short_16: FAYELXXQ6MTYRLT4 · pith_short_8: FAYELXXQ

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/FAYELXXQ6MTYRLT4KSCDUPFHFB \
  | 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: 283045def0f32788ae7c54843a3ca7286d75f4a75ce18540cc0c9acd4a8d4e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d09b06d64f5ce9bd4dc121d85c037c62fa70e1a7f00f41974b70125a52c92aa",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2023-01-18T13:30:28Z",
    "title_canon_sha256": "d1b8b8b45f79e31a7d4bf41b2aea3feb5eac13e4b31f409eb62d68879beb9fc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.07712",
    "kind": "arxiv",
    "version": 1
  }
}