Pith Number

pith:J4EPSXRJ

pith:2023:J4EPSXRJLS4D2Z2JWGMHBDBZOO

not attested not anchored not stored refs pending

A standard siren measurement of the Hubble constant using GW170817 and the latest observations of the electromagnetic counterpart afterglow

A. Hajela, A. MacFadyen, A. McDowell, A. Palmese, R. Kaur, R. Margutti

arxiv:2305.19914 v1 · 2023-05-31 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J4EPSXRJLS4D2Z2JWGMHBDBZOO}

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.

Cited by

1 paper in Pith

Binary Neutron Stars from the Moon: Early Warnings and Precision Science for the Artemis Era

Receipt and verification

First computed	2026-07-05T06:16:04.798346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f08f95e295cb83d6749b198708c3973a022995eb7af62db60d46353fdcd9f7d

Aliases

arxiv: 2305.19914 · arxiv_version: 2305.19914v1 · doi: 10.48550/arxiv.2305.19914 · pith_short_12: J4EPSXRJLS4D · pith_short_16: J4EPSXRJLS4D2Z2J · pith_short_8: J4EPSXRJ

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/J4EPSXRJLS4D2Z2JWGMHBDBZOO \
  | 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: 4f08f95e295cb83d6749b198708c3973a022995eb7af62db60d46353fdcd9f7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4566a16596e1d7b6e3d33b0526534cc4140a03bde434a4a3a8df56360a1cb3a6",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-05-31T14:45:57Z",
    "title_canon_sha256": "328b4a4c812f19e7e5607be90ad67b30c8ea03de5158834e8eb89a8d642c4e82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.19914",
    "kind": "arxiv",
    "version": 1
  }
}