Pith Number

pith:A3UC47AD

pith:2017:A3UC47ADGW6ABQS7F6ETBRL6RE

not attested not anchored not stored refs pending

A measurement of the Hubble constant using galaxy redshift surveys

Gong-Bo Zhao, Lixin Xu, Yuting Wang

arxiv:1706.09149 v2 · 2017-06-28 · 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{A3UC47ADGW6ABQS7F6ETBRL6RE}

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	2026-05-18T00:30:44.197206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06e82e7c0335bc00c25f2f8930c57e890edb3c043097a2d23898041ee1c0bf77

Aliases

arxiv: 1706.09149 · arxiv_version: 1706.09149v2 · doi: 10.48550/arxiv.1706.09149 · pith_short_12: A3UC47ADGW6A · pith_short_16: A3UC47ADGW6ABQS7 · pith_short_8: A3UC47AD

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/A3UC47ADGW6ABQS7F6ETBRL6RE \
  | 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: 06e82e7c0335bc00c25f2f8930c57e890edb3c043097a2d23898041ee1c0bf77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e8c8580648305d2a2d03e075b5b4b8eab85718913f1d1dbad2b2debab25591c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-06-28T07:39:24Z",
    "title_canon_sha256": "7a462b1e54be76f251239c775a4d32fe51a6d037a9d8515e670d92be024b5bfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09149",
    "kind": "arxiv",
    "version": 2
  }
}