Pith Number

pith:QBZVXTPJ

pith:2026:QBZVXTPJ4YO4YSOXQATA6IY3IJ

not attested not anchored not stored refs pending

Model-independent H0 from GWTC-4 standard sirens and TDCOSMO 2025 strong lensing time delays

En-Yu Xiong, Jing-Fei Zhang, Ji-Yu Song, Xin Zhang

arxiv:2606.03634 v1 · 2026-06-02 · astro-ph.CO · gr-qc · hep-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{QBZVXTPJ4YO4YSOXQATA6IY3IJ}

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	2026-06-03T01:06:02.981389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80735bcde9e61dcc49d780260f231b427b204ba134c648321dbcd367a420bf96

Aliases

arxiv: 2606.03634 · arxiv_version: 2606.03634v1 · doi: 10.48550/arxiv.2606.03634 · pith_short_12: QBZVXTPJ4YO4 · pith_short_16: QBZVXTPJ4YO4YSOX · pith_short_8: QBZVXTPJ

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/QBZVXTPJ4YO4YSOXQATA6IY3IJ \
  | 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: 80735bcde9e61dcc49d780260f231b427b204ba134c648321dbcd367a420bf96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9350a7a47b5ba5df5f09f3ea7881cde746f7097eb6b2462377393c932317424",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-02T13:31:54Z",
    "title_canon_sha256": "3fe1bbc753e0a12c1d3f06113339db82d9df31ca1fb6c647922a70c5c667d09a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03634",
    "kind": "arxiv",
    "version": 1
  }
}