Pith Number

pith:PVJS7BSB

pith:2010:PVJS7BSB2FS3ADE2WBRLA3OH5G

not attested not anchored not stored refs pending

Piecewise Flat Gravitational Waves

Maarten van de Meent

arxiv:1012.1991 v2 · 2010-12-09 · 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{PVJS7BSB2FS3ADE2WBRLA3OH5G}

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	2026-05-18T04:26:34.455786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d532f8641d165b00c9ab062b06dc7e9acb5e3c57aef7f37472a65d8d379efff

Aliases

arxiv: 1012.1991 · arxiv_version: 1012.1991v2 · doi: 10.48550/arxiv.1012.1991 · pith_short_12: PVJS7BSB2FS3 · pith_short_16: PVJS7BSB2FS3ADE2 · pith_short_8: PVJS7BSB

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/PVJS7BSB2FS3ADE2WBRLA3OH5G \
  | 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: 7d532f8641d165b00c9ab062b06dc7e9acb5e3c57aef7f37472a65d8d379efff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e5cca2926d55d8719bb1feb4449c0e1a03bd699eb4260aa5dccf1dd7deef1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-12-09T12:54:52Z",
    "title_canon_sha256": "2cc2fdc92ab1b862daea01e94cdf1a3eee744f5bfc999d2b2185200133aa22cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1991",
    "kind": "arxiv",
    "version": 2
  }
}