Pith Number

pith:4NGXTMDT

pith:2021:4NGXTMDT4FXKXUDQP45RMLJ2SZ

not attested not anchored not stored refs pending

Analytical simulations of the effect of satellite constellations on optical and near-infrared observations

C. G. Bassa (ASTRON), D. Galadi-Enriquez (Calar Alto), O. R. Hainaut (ESO)

arxiv:2108.12335 v1 · 2021-08-27 · 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{4NGXTMDT4FXKXUDQP45RMLJ2SZ}

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	2026-07-05T03:49:17.860733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e34d79b073e16eabd0707f3b162d3a96624d113b0603d420853fece1df33ce77

Aliases

arxiv: 2108.12335 · arxiv_version: 2108.12335v1 · doi: 10.48550/arxiv.2108.12335 · pith_short_12: 4NGXTMDT4FXK · pith_short_16: 4NGXTMDT4FXKXUDQ · pith_short_8: 4NGXTMDT

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/4NGXTMDT4FXKXUDQP45RMLJ2SZ \
  | 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: e34d79b073e16eabd0707f3b162d3a96624d113b0603d420853fece1df33ce77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6371456f3a7315213f9108ef01a913ee6524784da372d4b09ded929e78dca0d1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-08-27T15:11:31Z",
    "title_canon_sha256": "a704bb497ff2b7d3634477350c395952c74c68bab311f02918ec3d69bd3f28a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.12335",
    "kind": "arxiv",
    "version": 1
  }
}