Pith Number

pith:56N5FEL4

pith:2020:56N5FEL4DYMSDN3A5JDCBC4O4W

not attested not anchored not stored refs pending

Whitening the Sky: light pollution as a form of cultural genocide

Bon Mott, Duane W. Hamacher, Krystal de Napoli

arxiv:2001.11527 v1 · 2020-01-10 · physics.pop-ph · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56N5FEL4DYMSDN3A5JDCBC4O4W}

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.

Cited by

1 paper in Pith

Indigenous knowledges and kinship as a model for our future in outer space

Receipt and verification

First computed	2026-07-05T00:37:31.296047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9bd2917c1e1921b760ea46208b8ee5ba7ed1092fe8f2427123298b3aeea7b3

Aliases

arxiv: 2001.11527 · arxiv_version: 2001.11527v1 · doi: 10.48550/arxiv.2001.11527 · pith_short_12: 56N5FEL4DYMS · pith_short_16: 56N5FEL4DYMSDN3A · pith_short_8: 56N5FEL4

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/56N5FEL4DYMSDN3A5JDCBC4O4W \
  | 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: ef9bd2917c1e1921b760ea46208b8ee5ba7ed1092fe8f2427123298b3aeea7b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee687cf8a2f8c043b7960567f89cedf3c615f2e10d3e91ad2e03c763016a156a",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2020-01-10T14:07:41Z",
    "title_canon_sha256": "0ed6758885748c32a681b4410d0ac6c865da5d6f3161dd22f9bfcc02a11cd96d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11527",
    "kind": "arxiv",
    "version": 1
  }
}