Pith Number

pith:LSXINSFD

pith:2020:LSXINSFDLM5C2HCE3C6J7L7H77

not attested not anchored not stored refs pending

A model-independent constraint on the Hubble constant with gravitational waves from the Einstein Telescope

Jia Zhang, Shuaibo Geng, Shuo Cao, Sixuan Zhang, Tonghua Liu, Yujie Lian, Yuting Liu

arxiv:2009.04204 v1 · 2020-09-09 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LSXINSFDLM5C2HCE3C6J7L7H77}

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	2026-07-05T02:12:03.175023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cae86c8a35b3a2d1c44d8bc9fafe7fff3c387fb4de578826740da552c362007

Aliases

arxiv: 2009.04204 · arxiv_version: 2009.04204v1 · doi: 10.48550/arxiv.2009.04204 · pith_short_12: LSXINSFDLM5C · pith_short_16: LSXINSFDLM5C2HCE · pith_short_8: LSXINSFD

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/LSXINSFDLM5C2HCE3C6J7L7H77 \
  | 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: 5cae86c8a35b3a2d1c44d8bc9fafe7fff3c387fb4de578826740da552c362007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "239507e1dd47067cf2ab75533276de9b4f548391ab2b5f922bc1eced86ae85eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-09-09T10:44:33Z",
    "title_canon_sha256": "0d4b3709a283937ab2ba9ef17cb8b6b63fd7fb39d617d44dc144862c1fb2aed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.04204",
    "kind": "arxiv",
    "version": 1
  }
}