Pith Number

pith:L2HAEVPC

pith:2015:L2HAEVPCH57MA5K2TPSEBZY5MR

not attested not anchored not stored refs pending

Expanding universe with nonlinear gravitational waves

Chul-Moon Yoo, Taishi Ikeda, Yasusada Nambu

arxiv:1505.02959 v1 · 2015-05-12 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2HAEVPCH57MA5K2TPSEBZY5MR}

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	2026-05-18T01:34:49.765679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e8e0255e23f7ec0755a9be440e71d646b37cbc7016cae0479790c44c4733369

Aliases

arxiv: 1505.02959 · arxiv_version: 1505.02959v1 · doi: 10.48550/arxiv.1505.02959 · pith_short_12: L2HAEVPCH57M · pith_short_16: L2HAEVPCH57MA5K2 · pith_short_8: L2HAEVPC

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/L2HAEVPCH57MA5K2TPSEBZY5MR \
  | 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: 5e8e0255e23f7ec0755a9be440e71d646b37cbc7016cae0479790c44c4733369

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dfe2d3d3f3f3eb6b362ad479fdc41c1018e4ed393d89a0fbdcd5121b432ae24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-05-12T11:23:31Z",
    "title_canon_sha256": "3da3d4f16a76e0d2fcc7423e8ee9b3e0ad9ba804b84d4cae0bcc0646ab91200c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02959",
    "kind": "arxiv",
    "version": 1
  }
}