Pith Number

pith:QHCHLEF3

pith:2015:QHCHLEF37ZNVMZJTNJMLEQC5HW

not attested not anchored not stored refs pending

Refractive Indices of Semiconductors from Energy gaps

S.K. Tripathy

arxiv:1508.03511 v1 · 2015-07-16 · physics.gen-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{QHCHLEF37ZNVMZJTNJMLEQC5HW}

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	2026-05-18T01:35:17.551254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81c47590bbfe5b5665336a58b2405d3d8b36f595f3f13b78e8dc9f99c535b514

Aliases

arxiv: 1508.03511 · arxiv_version: 1508.03511v1 · doi: 10.48550/arxiv.1508.03511 · pith_short_12: QHCHLEF37ZNV · pith_short_16: QHCHLEF37ZNVMZJT · pith_short_8: QHCHLEF3

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/QHCHLEF37ZNVMZJTNJMLEQC5HW \
  | 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: 81c47590bbfe5b5665336a58b2405d3d8b36f595f3f13b78e8dc9f99c535b514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fbdf4f23c0626143f0cc77e861b7120ec235ebe58e90fb33d3fec1dadcc2a9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2015-07-16T07:33:03Z",
    "title_canon_sha256": "9375c610f2dff2098fce9323396d340b0a19d22e7e84599187af8f4272a14768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03511",
    "kind": "arxiv",
    "version": 1
  }
}