Pith Number

pith:W4OLPPRF

pith:2016:W4OLPPRFFEMUK7E25B7FO7YQS6

not attested not anchored not stored refs pending

Rigid covariance as a natural extension of Painlev\'e--Gullstrand space-times: gravitational waves

Alfred Molina, Xavier Ja\'en

arxiv:1611.08090 v1 · 2016-11-24 · 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{W4OLPPRFFEMUK7E25B7FO7YQS6}

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	2026-05-18T00:39:01.096933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b71cb7be252919457c9ae87e577f1097bfa6494d03783896b168f2b48598a362

Aliases

arxiv: 1611.08090 · arxiv_version: 1611.08090v1 · doi: 10.48550/arxiv.1611.08090 · pith_short_12: W4OLPPRFFEMU · pith_short_16: W4OLPPRFFEMUK7E2 · pith_short_8: W4OLPPRF

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/W4OLPPRFFEMUK7E25B7FO7YQS6 \
  | 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: b71cb7be252919457c9ae87e577f1097bfa6494d03783896b168f2b48598a362

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c5c38e88dde050498f5089fe4a1dcdcfb8dfb59511776ebaf8d0cc0bb9c87d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-11-24T08:09:33Z",
    "title_canon_sha256": "37811a302b8a117f449a48a757775cbd5e34b83a6f94e0e60f37c0e739abf023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08090",
    "kind": "arxiv",
    "version": 1
  }
}