Pith Number

pith:5U6FYYRF

pith:2021:5U6FYYRFGE23F6G4OUKSEZE7VR

not attested not anchored not stored refs pending

A Simplified Gravitational Reference Sensor for Satellite Geodesy

Aaron Knudtson, Anthony Davila Alvarez, Brent Ware, David Wiese, Glenn McDaniel, Guido Mueller, Harold Hollis, James Leitch, Jennifer Lee, John W. Conklin, John Ziemer, Joseph Gleason, Jose Sanjuan, Neil Doughty, Peter Wass, Riccardo Bevilacqua, Robert Spero, Stephen Bennett, Unmil Patel

arxiv:2107.08545 v4 · 2021-07-18 · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5U6FYYRFGE23F6G4OUKSEZE7VR}

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	2026-07-05T05:05:26.669672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed3c5c62253135b2f8dc751522649fac402d997cbdac6f3cbf83d61c308253b5

Aliases

arxiv: 2107.08545 · arxiv_version: 2107.08545v4 · doi: 10.48550/arxiv.2107.08545 · pith_short_12: 5U6FYYRFGE23 · pith_short_16: 5U6FYYRFGE23F6G4 · pith_short_8: 5U6FYYRF

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/5U6FYYRFGE23F6G4OUKSEZE7VR \
  | 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: ed3c5c62253135b2f8dc751522649fac402d997cbdac6f3cbf83d61c308253b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58e55156229fec5cabc5d0170a98dc3c8e63f48e8619b3fb705b5f7f9ff6af61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2021-07-18T21:53:04Z",
    "title_canon_sha256": "56e54be98452105c33f5c1543044ca887fbff1fee54a314173f28cb1cc30d59d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08545",
    "kind": "arxiv",
    "version": 4
  }
}