Pith Number

pith:2U3I5O6B

pith:1998:2U3I5O6BBOF3PQKP4CAO27RXEO

not attested not anchored not stored refs pending

Smooth sandwich gravitational waves

J. Podolsky

arxiv:gr-qc/9805098 v2 · 1998-05-28 · 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{2U3I5O6BBOF3PQKP4CAO27RXEO}

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	2026-07-04T16:08:49.115447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5368ebbc10b8bb7c14fe080ed7e3723a41c26a38f61e11f877e283b9f7de5e0

Aliases

arxiv: gr-qc/9805098 · arxiv_version: gr-qc/9805098v2 · doi: 10.48550/arxiv.gr-qc/9805098 · pith_short_12: 2U3I5O6BBOF3 · pith_short_16: 2U3I5O6BBOF3PQKP · pith_short_8: 2U3I5O6B

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/2U3I5O6BBOF3PQKP4CAO27RXEO \
  | 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: d5368ebbc10b8bb7c14fe080ed7e3723a41c26a38f61e11f877e283b9f7de5e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9810800108b833058fb17bcc6c2c8ed7edf60efffe588f61c59ec19c2ea26711",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-05-28T12:38:42Z",
    "title_canon_sha256": "51039e2157ec511e85c6cc662c48f41a5ad87633ddb83d340cb1f26233f5b276"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9805098",
    "kind": "arxiv",
    "version": 2
  }
}