Pith Number

pith:TRP4WPDW

pith:2013:TRP4WPDWIXYHC6WD37XXLFAWA5

not attested not anchored not stored refs pending

Boosting the performance of the ASTRI SST-2M prototype: reflective and anti-reflective coatings

Giacomo Bonnoli, Giovanni Pareschi, Luca Perri, Luca Stringhetti (for the ASTRI Collaboration), Osvaldo Catalano, Rodolfo Canestrari

arxiv:1307.5405 v1 · 2013-07-20 · 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{TRP4WPDWIXYHC6WD37XXLFAWA5}

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	2026-05-18T03:17:55.892706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c5fcb3c7645f0717ac3dfef7594160742940ff69e59e76484e834edd6a3e611

Aliases

arxiv: 1307.5405 · arxiv_version: 1307.5405v1 · doi: 10.48550/arxiv.1307.5405 · pith_short_12: TRP4WPDWIXYH · pith_short_16: TRP4WPDWIXYHC6WD · pith_short_8: TRP4WPDW

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/TRP4WPDWIXYHC6WD37XXLFAWA5 \
  | 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: 9c5fcb3c7645f0717ac3dfef7594160742940ff69e59e76484e834edd6a3e611

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4313e4cc6a794c4bbe05c444b1ce67d443c7caa2628a020784d4c35e0f112be0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-07-20T10:29:47Z",
    "title_canon_sha256": "6e2c4790c406c9c10db211c9f0605a2783bd6229acbcc97c2c5d07c2ed3d9616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5405",
    "kind": "arxiv",
    "version": 1
  }
}