Pith Number

pith:SFTJN4XX

pith:2017:SFTJN4XX4W6YRJLLZ2EH46BENU

not attested not anchored not stored refs pending

Constraint on cosmological parameters by Hubble parameter from gravitational wave standard sirens of neutron star binary system

Hao-Yi Wan, Liu Yang, Tang Yanke, Tong-Jie Zhang

arxiv:1703.07923 v1 · 2017-03-23 · 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{SFTJN4XX4W6YRJLLZ2EH46BENU}

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	2026-05-18T00:48:04.400382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916696f2f7e5bd88a56bce887e78246d3c438ae88344f8988564a9dde1b89097

Aliases

arxiv: 1703.07923 · arxiv_version: 1703.07923v1 · doi: 10.48550/arxiv.1703.07923 · pith_short_12: SFTJN4XX4W6Y · pith_short_16: SFTJN4XX4W6YRJLL · pith_short_8: SFTJN4XX

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/SFTJN4XX4W6YRJLLZ2EH46BENU \
  | 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: 916696f2f7e5bd88a56bce887e78246d3c438ae88344f8988564a9dde1b89097

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c81ef398a77a62eb589ddaa3d54b9571e4d322645c71599779f897edb049ff0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-03-23T04:03:54Z",
    "title_canon_sha256": "81b8266f0add4e7fe33d558403aafab09fd4868b2d9f6ec2e38347f06b113f02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07923",
    "kind": "arxiv",
    "version": 1
  }
}