Pith Number

pith:SSMEN6MU

pith:2025:SSMEN6MUNR5NEPRV436LN7RZGM

not attested not anchored not stored refs pending

A tri-static ground-based laser ranging method for precise satellite attitude determination

David Gooding, Ewan Schafer, Hira Virdee, Jim Fletcher, Liam Pieters, Peter Bartram

arxiv:2504.04140 v1 · 2025-04-05 · astro-ph.EP · 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{SSMEN6MUNR5NEPRV436LN7RZGM}

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	2026-07-05T10:44:54.690621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

949846f9946c7ad23e35e6fcb6fe393334c9cbadc22342c263f2e4844bad854b

Aliases

arxiv: 2504.04140 · arxiv_version: 2504.04140v1 · doi: 10.48550/arxiv.2504.04140 · pith_short_12: SSMEN6MUNR5N · pith_short_16: SSMEN6MUNR5NEPRV · pith_short_8: SSMEN6MU

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/SSMEN6MUNR5NEPRV436LN7RZGM \
  | 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: 949846f9946c7ad23e35e6fcb6fe393334c9cbadc22342c263f2e4844bad854b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af25cee392e7e41d1c77803e73292d1c881d7fe4ca0f522f68f444c9b63bcbec",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-04-05T11:06:49Z",
    "title_canon_sha256": "bb5a8d479c297557c342cef16303acf77b5fb8fd537f27048722417a87acf3c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.04140",
    "kind": "arxiv",
    "version": 1
  }
}