pith. sign in
Pith Number

pith:6DSADS7F

pith:2018:6DSADS7FDVRLMKJUZDH4AHFIM6
not attested not anchored not stored refs pending

Night sky brightness above Zagreb 2012.-2017

\v{Z}eljko Andrei\'c

arxiv:1803.00299 v1 · 2018-03-01 · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6DSADS7FDVRLMKJUZDH4AHFIM6}

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 2026-05-18T00:22:12.694187Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f0e401cbe51d62b62934c8cfc01ca8679facb267c41f27552a464ade35c07b96

Aliases

arxiv: 1803.00299 · arxiv_version: 1803.00299v1 · doi: 10.48550/arxiv.1803.00299 · pith_short_12: 6DSADS7FDVRL · pith_short_16: 6DSADS7FDVRLMKJU · pith_short_8: 6DSADS7F
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6DSADS7FDVRLMKJUZDH4AHFIM6 \
  | 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: f0e401cbe51d62b62934c8cfc01ca8679facb267c41f27552a464ade35c07b96
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c6406070909ced2471c1dd1123caccd9f9ddbe163227cf4cd3fb1f1f6763c9ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-01T10:54:48Z",
    "title_canon_sha256": "fa4c11079ec3b4b0907cd476ca0e8c499bade0e443a3960bfdfaea9b98b5ecd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00299",
    "kind": "arxiv",
    "version": 1
  }
}