Pith Number

pith:ATRN6CRG

pith:2018:ATRN6CRGTHUI6BH4VRWRYMNCQR

not attested not anchored not stored refs pending

Twisted Gravitational Waves of Petrov Type D

Bahram Mashhoon, Donato Bini, Kjell Rosquist

arxiv:1807.09214 v2 · 2018-07-24 · 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{ATRN6CRGTHUI6BH4VRWRYMNCQR}

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	2026-05-18T00:05:04.611441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04e2df0a2699e88f04fcac6d1c31a2846f40f28a0925844fe833f445b800d414

Aliases

arxiv: 1807.09214 · arxiv_version: 1807.09214v2 · doi: 10.48550/arxiv.1807.09214 · pith_short_12: ATRN6CRGTHUI · pith_short_16: ATRN6CRGTHUI6BH4 · pith_short_8: ATRN6CRG

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/ATRN6CRGTHUI6BH4VRWRYMNCQR \
  | 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: 04e2df0a2699e88f04fcac6d1c31a2846f40f28a0925844fe833f445b800d414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd8bc9071a8d5688941610cc50ead07d74fe9e8885ffa1e0c7c1c9eee6a07387",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-07-24T16:24:12Z",
    "title_canon_sha256": "383f770632148f6ed0dd3d13a71c50b8992b0d9d2d58a6cbadf6aa8e922997ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09214",
    "kind": "arxiv",
    "version": 2
  }
}