Pith Number

pith:H44AUBCO

pith:2009:H44AUBCO4W4XKACSXE5WF2AP5V

not attested not anchored not stored refs pending

An exploration of CUDA and CBEA for a gravitational wave data-analysis application (Einstein@Home)

Gaurav Khanna, Jens Breitbart

arxiv:0904.1826 v2 · 2009-04-12 · gr-qc · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H44AUBCO4W4XKACSXE5WF2AP5V}

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	2026-05-18T02:14:06.380214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f380a044ee5b9750052b93b62e80fed5e8906273d8acde13a9f3f5f9312e34b

Aliases

arxiv: 0904.1826 · arxiv_version: 0904.1826v2 · doi: 10.48550/arxiv.0904.1826 · pith_short_12: H44AUBCO4W4X · pith_short_16: H44AUBCO4W4XKACS · pith_short_8: H44AUBCO

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/H44AUBCO4W4XKACSXE5WF2AP5V \
  | 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: 3f380a044ee5b9750052b93b62e80fed5e8906273d8acde13a9f3f5f9312e34b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76e0212c92f42ee2a63d5901cada4ed02e6a0afb6c3f7ac77473ec5cc8a8cf09",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-04-12T12:43:04Z",
    "title_canon_sha256": "b48af570e83227168f6f48ba8b4e9f9e417a4c9c5ae2f3e8d3954f46c4a4509c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1826",
    "kind": "arxiv",
    "version": 2
  }
}