Pith Number

pith:6CU2XRMG

pith:2021:6CU2XRMGQ4NTUJTX6PTDBLWNP4

not attested not anchored not stored refs pending

A Sky Brightness Model for the Starlink 'Visorsat' Spacecraft

Richard E Cole

arxiv:2107.06026 v1 · 2021-07-13 · 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{6CU2XRMGQ4NTUJTX6PTDBLWNP4}

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

Characterization of Starlink Direct-to-Cell Satellites In Brightness Mitigation Mode

Receipt and verification

First computed	2026-07-05T02:57:30.372965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0a9abc586871b3a2677f3e630aecd7f2a403ad8af0db9209106df06924807ac

Aliases

arxiv: 2107.06026 · arxiv_version: 2107.06026v1 · doi: 10.48550/arxiv.2107.06026 · pith_short_12: 6CU2XRMGQ4NT · pith_short_16: 6CU2XRMGQ4NTUJTX · pith_short_8: 6CU2XRMG

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/6CU2XRMGQ4NTUJTX6PTDBLWNP4 \
  | 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: f0a9abc586871b3a2677f3e630aecd7f2a403ad8af0db9209106df06924807ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9548974e1e5d97c1ce0c7c8c52bb2f15f0c7acfb6bcb8d3af7d8f211fe3652fa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-07-13T12:26:24Z",
    "title_canon_sha256": "b26f3216c660d1597e5916f9f0a402f3f165ea3e1afd203ffb857d3646c8bd61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06026",
    "kind": "arxiv",
    "version": 1
  }
}