Pith Number

pith:GXFPG3PI

pith:2024:GXFPG3PI5RLQELCZSXXAQ3DHQK

not attested not anchored not stored refs pending

Brightness of the Qianfan Satellites

Anthony Mallama, Bram Dorreman, Nick James, Richard E. Cole, Scott Harrington

arxiv:2409.20432 v1 · 2024-09-30 · 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{GXFPG3PI5RLQELCZSXXAQ3DHQK}

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

Brightness Characteristics of the Qianfan Satellites and Evidence That Some Are Tumbling

Receipt and verification

First computed	2026-07-05T09:13:43.486507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35caf36de8ec57022c5995ee086c6782983f433da838bdaf8bd11fe260678f46

Aliases

arxiv: 2409.20432 · arxiv_version: 2409.20432v1 · doi: 10.48550/arxiv.2409.20432 · pith_short_12: GXFPG3PI5RLQ · pith_short_16: GXFPG3PI5RLQELCZ · pith_short_8: GXFPG3PI

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/GXFPG3PI5RLQELCZSXXAQ3DHQK \
  | 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: 35caf36de8ec57022c5995ee086c6782983f433da838bdaf8bd11fe260678f46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e9f6156437e65b0386e97d48532ac2488ecc9ca0ec7f7503264df1c4fc23ab3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-09-30T15:53:36Z",
    "title_canon_sha256": "6b91e81da65536c7d63cefec0e6a5af9aa9a6d4e614714835517d61f62427070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.20432",
    "kind": "arxiv",
    "version": 1
  }
}