Pith Number

pith:7GJHF7IX

pith:2021:7GJHF7IX5QJBC5DEWRZQTSM3UQ

not attested not anchored not stored refs pending

Initial Results from the LIGO Newtonian Calibrator

Bubba Gateley, Charlie Hagedorn, Colin Weller, David Barker, Ed Daw, Eric Adelberger, Erik Shaw, Filiberto Clara, Jeff Kissel, Jens Gundlach, John Lee, Kavic Kumar, Krishna Venkateswara, Laurence Datrier, Martin Hendry, Michael P. Ross, Patrick Thomas, Timesh Mistry, Tyler M. Guidry

arxiv:2107.00141 v1 · 2021-06-30 · 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{7GJHF7IX5QJBC5DEWRZQTSM3UQ}

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	2026-07-05T02:54:21.305558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99272fd17ec12117464b47309c99ba40cac293f5a8a1224c2f1c49af48479d3

Aliases

arxiv: 2107.00141 · arxiv_version: 2107.00141v1 · doi: 10.48550/arxiv.2107.00141 · pith_short_12: 7GJHF7IX5QJB · pith_short_16: 7GJHF7IX5QJBC5DE · pith_short_8: 7GJHF7IX

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/7GJHF7IX5QJBC5DEWRZQTSM3UQ \
  | 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: f99272fd17ec12117464b47309c99ba40cac293f5a8a1224c2f1c49af48479d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d29bf1ebbbeef6f652f1dc7b1c569a43cbb50b6fde313567eb36fe3f8b30e890",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-06-30T22:55:56Z",
    "title_canon_sha256": "6ffbf8e6d875d2b4ceea5d0a4ef5b37daea4831779a3874b1b83323b68932639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.00141",
    "kind": "arxiv",
    "version": 1
  }
}