Pith Number

pith:LBUFKPAI

pith:2017:LBUFKPAIEAVQ7OOFQZUL3Y4TXZ

not attested not anchored not stored refs pending

Gravitational waves in a flat radiation-matter universe including anisotropic stress

Andrew J. Wren, Jorge L. Fuentes, Karim A. Malik

arxiv:1712.10012 v1 · 2017-12-26 · 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{LBUFKPAIEAVQ7OOFQZUL3Y4TXZ}

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	2026-05-18T00:27:04.197965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5868553c08202b0fb9c58668bde393be4cf892e7e5735c6949f108cfa1332a06

Aliases

arxiv: 1712.10012 · arxiv_version: 1712.10012v1 · doi: 10.48550/arxiv.1712.10012 · pith_short_12: LBUFKPAIEAVQ · pith_short_16: LBUFKPAIEAVQ7OOF · pith_short_8: LBUFKPAI

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/LBUFKPAIEAVQ7OOFQZUL3Y4TXZ \
  | 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: 5868553c08202b0fb9c58668bde393be4cf892e7e5735c6949f108cfa1332a06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0123bac5b2fc0e68495168e6e964ac73996fe96fd223478a2a93b2a5eed52715",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-26T21:15:21Z",
    "title_canon_sha256": "5183f9bbe73d9d7dc5677f6fcb3c340d622f8b3ad31f0fdf01bafc09b432e5f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.10012",
    "kind": "arxiv",
    "version": 1
  }
}