Pith Number

pith:WYKNWRKJ

pith:2016:WYKNWRKJC53BGUWAN4MYLF56ZU

not attested not anchored not stored refs pending

Parameterized Post-Newtonian Cosmology

Timothy Clifton, Viraj A. A. Sanghai

arxiv:1610.08039 v2 · 2016-10-25 · 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{WYKNWRKJC53BGUWAN4MYLF56ZU}

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	2026-05-18T00:50:09.420619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b614db454917761352c06f198597becd21db59bf9dfc65dda0150cc8a82012de

Aliases

arxiv: 1610.08039 · arxiv_version: 1610.08039v2 · doi: 10.48550/arxiv.1610.08039 · pith_short_12: WYKNWRKJC53B · pith_short_16: WYKNWRKJC53BGUWA · pith_short_8: WYKNWRKJ

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/WYKNWRKJC53BGUWAN4MYLF56ZU \
  | 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: b614db454917761352c06f198597becd21db59bf9dfc65dda0150cc8a82012de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e78f346bbd1dcc8f2a8213a6b7b49a7689a40a9e802ec973664353ecd8b7939e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-10-25T19:46:12Z",
    "title_canon_sha256": "f27d4a5a396c395a7a4b5691ea169b19760028d1bd24ea957462dd97c2186dcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08039",
    "kind": "arxiv",
    "version": 2
  }
}