Pith Number

pith:S6HM53Y2

pith:2024:S6HM53Y25DVLCGTPNGBWGHHOBD

not attested not anchored not stored refs pending

Estimating the impact of light pollution on quantum communication between QEYSSat and Canadian quantum ground station sites

Daniel Oblak, Katanya B. Kuntz, Mathew Yastremski, Nouralhoda Bayat, Paul J. Godin, Sungeun Oh, Thomas Jennewein, Ziheng Chang

arxiv:2412.14944 v1 · 2024-12-19 · quant-ph · physics.optics · physics.space-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{S6HM53Y25DVLCGTPNGBWGHHOBD}

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	2026-07-05T09:57:24.454214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

978eceef1ae8eab11a6f6983631cee08c5f9fe67cc3a1adc4bcfced4024d0e70

Aliases

arxiv: 2412.14944 · arxiv_version: 2412.14944v1 · doi: 10.48550/arxiv.2412.14944 · pith_short_12: S6HM53Y25DVL · pith_short_16: S6HM53Y25DVLCGTP · pith_short_8: S6HM53Y2

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/S6HM53Y25DVLCGTPNGBWGHHOBD \
  | 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: 978eceef1ae8eab11a6f6983631cee08c5f9fe67cc3a1adc4bcfced4024d0e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09f6d7237ef8a2d43ff906f5b87e6dbaa7372ec0e59a0b6e9cbee923bf86cf35",
    "cross_cats_sorted": [
      "physics.optics",
      "physics.space-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-12-19T15:24:11Z",
    "title_canon_sha256": "174c2ed27c3f5ff93652ae9bec96aa23de75ea1b19557c21e70f853cc5dc2cf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.14944",
    "kind": "arxiv",
    "version": 1
  }
}