Pith Number

pith:2OUY7DJP

pith:2020:2OUY7DJP7MVDJV5CSMJ4R6SZWM

not attested not anchored not stored refs pending

Fundamental physics tests using the propagation of GNSS signals

Bruno Bertrand, Pascale Defraigne (Royal Observatory of Belgium)

arxiv:2002.01723 v1 · 2020-02-05 · hep-ph · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OUY7DJP7MVDJV5CSMJ4R6SZWM}

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	2026-07-05T01:57:49.855677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3a98f8d2ffb2a34d7a29313c8fa59b32689f061f9391d6450f3fabc1631a3bc

Aliases

arxiv: 2002.01723 · arxiv_version: 2002.01723v1 · doi: 10.48550/arxiv.2002.01723 · pith_short_12: 2OUY7DJP7MVD · pith_short_16: 2OUY7DJP7MVDJV5C · pith_short_8: 2OUY7DJP

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/2OUY7DJP7MVDJV5CSMJ4R6SZWM \
  | 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: d3a98f8d2ffb2a34d7a29313c8fa59b32689f061f9391d6450f3fabc1631a3bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "276b494a9f1e27ba9f2981c753669527252f1d490866f036133f992f495833a3",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2020-02-05T10:54:36Z",
    "title_canon_sha256": "e5038931eee3fec29a92aab93da39dd16d2f1d3f322b68b0c00f41c5617be84d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01723",
    "kind": "arxiv",
    "version": 1
  }
}