Pith Number

pith:VP7FTCMY

pith:2014:VP7FTCMYSVPUZLOITHDITIYTCI

not attested not anchored not stored refs pending

Upper limit on the amplitude of gravitational waves around 0.1Hz from the Global Positioning System

Kiyotomo Ichiki, Rina Tazai, Shohei Aoyama

arxiv:1402.4521 v1 · 2014-02-18 · gr-qc · 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{VP7FTCMYSVPUZLOITHDITIYTCI}

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	2026-05-18T01:44:36.581581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abfe598998955f4cadc899c689a31312256d1774e133e711ae1e32cc2159fcba

Aliases

arxiv: 1402.4521 · arxiv_version: 1402.4521v1 · doi: 10.48550/arxiv.1402.4521 · pith_short_12: VP7FTCMYSVPU · pith_short_16: VP7FTCMYSVPUZLOI · pith_short_8: VP7FTCMY

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/VP7FTCMYSVPUZLOITHDITIYTCI \
  | 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: abfe598998955f4cadc899c689a31312256d1774e133e711ae1e32cc2159fcba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ead75d2e4fd9aaec4ffa644c5cf74a64942328219956fc440a86dfde84c6336",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-02-18T22:50:29Z",
    "title_canon_sha256": "de5f58c60ca0eae833d355348aa96ba5003cc084354e5c59e06f092ad256bbc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4521",
    "kind": "arxiv",
    "version": 1
  }
}