Pith Number

pith:N4NLZLCM

pith:2025:N4NLZLCMUTBIYF63DG2W6YPCUN

not attested not anchored not stored refs pending

Probing gravitational waves using GNSS constellations

Bruno Bertrand, Justin Janquart, Soumen Roy

arxiv:2505.21716 v1 · 2025-05-27 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4NLZLCMUTBIYF63DG2W6YPCUN}

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	2026-07-05T11:11:02.466443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f1abcac4ca4c28c17db19b56f61e2a341e3e7ad73428503db010d22e8a02384

Aliases

arxiv: 2505.21716 · arxiv_version: 2505.21716v1 · doi: 10.48550/arxiv.2505.21716 · pith_short_12: N4NLZLCMUTBI · pith_short_16: N4NLZLCMUTBIYF63 · pith_short_8: N4NLZLCM

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/N4NLZLCMUTBIYF63DG2W6YPCUN \
  | 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: 6f1abcac4ca4c28c17db19b56f61e2a341e3e7ad73428503db010d22e8a02384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a68e79977cef7fc2f7e29889ba4874f5b38db51f30a9ae2c0df7b116528918b6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-05-27T20:01:36Z",
    "title_canon_sha256": "bee52cefe8856631d72463c9dc3cb216602916968d80972cdb8256ec4a8938aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21716",
    "kind": "arxiv",
    "version": 1
  }
}