Pith Number

pith:C4EMWFCA

pith:2026:C4EMWFCAYZH36DBQ7HT2U7BV7Q

not attested not anchored not stored refs pending

Impact of Satellite Constellations on Observations with the 80-cm Telescope and the Mini-SiTian at the Xinglong Observatory, NAOC

Hong-rui Gu, Hong Wu, Jing Ren, Jun-Ju Du, Lin-ying Mi, Qi-qian Zhang, Xiao-han Chen, Yun-fei Xu, Zhou Fan

arxiv:2605.17948 v1 · 2026-05-18 · 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{C4EMWFCAYZH36DBQ7HT2U7BV7Q}

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	2026-05-20T00:05:07.543438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1708cb1440c64fbf0c30f9e7aa7c35fc06b9557adc2a32946a11b16a198ae715

Aliases

arxiv: 2605.17948 · arxiv_version: 2605.17948v1 · doi: 10.48550/arxiv.2605.17948 · pith_short_12: C4EMWFCAYZH3 · pith_short_16: C4EMWFCAYZH36DBQ · pith_short_8: C4EMWFCA

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/C4EMWFCAYZH36DBQ7HT2U7BV7Q \
  | 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: 1708cb1440c64fbf0c30f9e7aa7c35fc06b9557adc2a32946a11b16a198ae715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12fa597f1c503a790255c0e1dcb2fa93d0187905971065d9068bf6f0627db158",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-05-18T07:05:29Z",
    "title_canon_sha256": "944ce476236d23763380f63dc8842669b45307dd32fdbaed41e56f4b9ca97fc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17948",
    "kind": "arxiv",
    "version": 1
  }
}