Pith Number

pith:SBHWRJ44

pith:2014:SBHWRJ4446CTNCCSUS2QOJZRD3

not attested not anchored not stored refs pending

Gravitational wave astronomy and cosmology

Scott A. Hughes

arxiv:1405.0504 v1 · 2014-05-02 · gr-qc · 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{SBHWRJ4446CTNCCSUS2QOJZRD3}

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	2026-05-18T02:52:41.305195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

904f68a79ce785368852a4b50727311ef2a13edb671fad06ff6ee6cf58ab8fb9

Aliases

arxiv: 1405.0504 · arxiv_version: 1405.0504v1 · doi: 10.48550/arxiv.1405.0504 · pith_short_12: SBHWRJ4446CT · pith_short_16: SBHWRJ4446CTNCCS · pith_short_8: SBHWRJ44

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/SBHWRJ4446CTNCCSUS2QOJZRD3 \
  | 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: 904f68a79ce785368852a4b50727311ef2a13edb671fad06ff6ee6cf58ab8fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81faa76cbfdb7888b3b81be4d338e373ef2a7049d3b935ca6f08869ab5b15c8b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-02T20:23:47Z",
    "title_canon_sha256": "42692d9bf8321b8eef06d7b5d991d019165e9956d2aa3c9cd41f52a4f47f1eaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0504",
    "kind": "arxiv",
    "version": 1
  }
}