Pith Number

pith:534R6MFY

pith:2017:534R6MFYZHPBTIWCQOTMLS27IG

not attested not anchored not stored refs pending

First optical validation of a Schwarzschild Couder telescope: the ASTRI SST-2M Cherenkov telescope

2), 6), C.E. Fermino (4), C. Gargano (5), Department of Physics & Astronomy, Dipartimento di Fisica e Geologia Universita' di Perugia (3), E. Antolini (3), E. Giro (1, F Russo (7), Geofisica e Ciencias Atmosfericas, G. Pareschi (2) (INAF Osservatorio Astronomico di Padova (1), G. Rodeghiero (1, G. Sironi (2), G. Tosti (3), INAF IASF Palermo (5), INAF Osservatorio Astrofisico di Catania (8), INAF Osservatorio Astrofisico di Torino (7), INAF Osservatorio Astronomico di Brera (2), Instituto de Astronomia, Max Planck Institute for Astronomy Heidelberg (6), P. Conconi (3), R. Canestrari (2), S. Scuderi (8), Universidade de Sao Paulo (4), University of California (9)), V. Vassiliev (9)

arxiv:1709.08418 v3 · 2017-09-25 · 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{534R6MFYZHPBTIWCQOTMLS27IG}

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	2026-05-18T00:28:13.905832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eef91f30b8c9de19a2c283a6c5cb5f41ad0bff8b47ec91e50999e4982f7efce5

Aliases

arxiv: 1709.08418 · arxiv_version: 1709.08418v3 · doi: 10.48550/arxiv.1709.08418 · pith_short_12: 534R6MFYZHPB · pith_short_16: 534R6MFYZHPBTIWC · pith_short_8: 534R6MFY

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/534R6MFYZHPBTIWCQOTMLS27IG \
  | 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: eef91f30b8c9de19a2c283a6c5cb5f41ad0bff8b47ec91e50999e4982f7efce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f0e818d493527ca0f90ed758ddb2983fa4b34a2d0c259dd0daf7da23b65f013",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-09-25T10:36:31Z",
    "title_canon_sha256": "f6a9bb7ede94eaa1a6495beb8c5b5da412403e7c940c1ac1ed6ae9a7c713418e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08418",
    "kind": "arxiv",
    "version": 3
  }
}