Pith Number

pith:A4QA67GE

pith:2018:A4QA67GEJHZCAEFDYPIXVWH76L

not attested not anchored not stored refs pending

Systematic measurements of the night sky brightness at 26 locations in Eastern Austria

Franz Binder, Johannes Puschnig, Thomas Posch

arxiv:1803.09811 v1 · 2018-03-26 · 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{A4QA67GEJHZCAEFDYPIXVWH76L}

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	2026-05-18T00:18:10.479019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07200f7cc449f22010a3c3d17ad8fff2f7003b2e773e84365a48770ca45f5ee3

Aliases

arxiv: 1803.09811 · arxiv_version: 1803.09811v1 · doi: 10.48550/arxiv.1803.09811 · pith_short_12: A4QA67GEJHZC · pith_short_16: A4QA67GEJHZCAEFD · pith_short_8: A4QA67GE

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/A4QA67GEJHZCAEFDYPIXVWH76L \
  | 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: 07200f7cc449f22010a3c3d17ad8fff2f7003b2e773e84365a48770ca45f5ee3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc2aec6b758936ef94d1b33796e10ff6fb6120382805024479aeba2fc57d45e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-26T19:37:54Z",
    "title_canon_sha256": "4a70fb24a730d74b4edc78365fb3165f2339efa125f0246068e6261c78171fe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09811",
    "kind": "arxiv",
    "version": 1
  }
}