Pith Number

pith:4PXJ3SEO

pith:2015:4PXJ3SEOSPEHPMR4K2GQ2YO2KJ

not attested not anchored not stored refs pending

Prototyping of Hexagonal Light Concentrators for the Large-Sized Telescopes of the Cherenkov Telescope Array

Akira Okumura, Hideaki Katagiri, Masaaki Hayashidad, Sakiya Ono, Syunya Tanaka, Tatsuo Yoshida (for the CTA Consortium)

arxiv:1508.07776 v1 · 2015-08-31 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PXJ3SEOSPEHPMR4K2GQ2YO2KJ}

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	2026-05-18T01:34:31.475885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3ee9dc88e93c877b23c568d0d61da5249f533f54770336190c25540eff36710

Aliases

arxiv: 1508.07776 · arxiv_version: 1508.07776v1 · doi: 10.48550/arxiv.1508.07776 · pith_short_12: 4PXJ3SEOSPEH · pith_short_16: 4PXJ3SEOSPEHPMR4 · pith_short_8: 4PXJ3SEO

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/4PXJ3SEOSPEHPMR4K2GQ2YO2KJ \
  | 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: e3ee9dc88e93c877b23c568d0d61da5249f533f54770336190c25540eff36710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74f44f04d3599bd1a636b6eef9eac70974d5fef3ce76ac8d4b53c8c239e03e8e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-08-31T12:14:37Z",
    "title_canon_sha256": "bd05315d92ee254dd96ba9bef58e36ea24ceec50a8ea685cd54ecb228e3f512a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07776",
    "kind": "arxiv",
    "version": 1
  }
}