Pith Number

pith:PLWDZ7MB

pith:2009:PLWDZ7MB5EL4DECFJ5KV2DNUOG

not attested not anchored not stored refs pending

Cosmic Swarms: A search for Supermassive Black Holes in the LISA data stream with a Hybrid Evolutionary Algorithm

Edward K. Porter, Jonathan R. Gair

arxiv:0903.3733 v1 · 2009-03-22 · 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{PLWDZ7MB5EL4DECFJ5KV2DNUOG}

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	2026-07-04T17:20:44.544522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aec3cfd81e917c190454f555d0db47182095942c8dd5996456976d1724701af

Aliases

arxiv: 0903.3733 · arxiv_version: 0903.3733v1 · doi: 10.48550/arxiv.0903.3733 · pith_short_12: PLWDZ7MB5EL4 · pith_short_16: PLWDZ7MB5EL4DECF · pith_short_8: PLWDZ7MB

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/PLWDZ7MB5EL4DECFJ5KV2DNUOG \
  | 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: 7aec3cfd81e917c190454f555d0db47182095942c8dd5996456976d1724701af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "167be9d1b01a0835cad4ce96d4deb3930baebd4923f8d9e2d97e3222d8e466de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-03-22T16:05:23Z",
    "title_canon_sha256": "838686f6f8110f3a494b777aa9aeaf8fa293ab1cae0f5d9c20288f87b96975bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3733",
    "kind": "arxiv",
    "version": 1
  }
}