Pith Number

pith:LOPVQBG6

pith:2020:LOPVQBG6QYZIYKBXV5KXUSDOUM

not attested not anchored not stored refs pending

Optical spectroscopy of Blazars for the Cherenkov Telescope Array

C. Boisson, D.A. Williams, E. Kasai, E. Lindfors, F. D'Ammando, G. Cotter, H. Sol, J. Becerra-Gonzalez, J.-P. Lenain, M. Backes, O. Hervet, P. Goldoni, S. Pita, S. Wagner, U. Barres de Almeida, V. Navarro-Aranguiz, W. Max-Moerbeck

arxiv:2012.05176 v2 · 2020-12-09 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LOPVQBG6QYZIYKBXV5KXUSDOUM}

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	2026-07-05T02:49:46.199073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b9f5804de86328c2837af557a486ea308dfd50df9135c66b5f90019f96ed736

Aliases

arxiv: 2012.05176 · arxiv_version: 2012.05176v2 · doi: 10.48550/arxiv.2012.05176 · pith_short_12: LOPVQBG6QYZI · pith_short_16: LOPVQBG6QYZIYKBX · pith_short_8: LOPVQBG6

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/LOPVQBG6QYZIYKBXV5KXUSDOUM \
  | 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: 5b9f5804de86328c2837af557a486ea308dfd50df9135c66b5f90019f96ed736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48cc3f70f2d1a3917124d10d5cee74f48d4a9c838d558d507db48027bfa90f6a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-12-09T17:02:46Z",
    "title_canon_sha256": "a3c6fdae5090630854097e3e9233b0554ebc48bfbc01a2aa0774a93e34393718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.05176",
    "kind": "arxiv",
    "version": 2
  }
}