Pith Number

pith:6JA5NJJM

pith:2008:6JA5NJJM7WQ2WK3BVP7BCLWJEJ

not attested not anchored not stored refs pending

A Scalable Correlator Architecture Based on Modular FPGA Hardware, Reuseable Gateware, and Data Packetization

Aaron Parsons, Andrew Siemion, Arash Parsa, Dan Werthimer, David MacMahon, Donald Backer, Henry Chen, Jason Manley, Melvyn Wright, Peter McMahon, Pierre Droz, Terry Filiba

arxiv:0809.2266 v3 · 2008-09-12 · astro-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{6JA5NJJM7WQ2WK3BVP7BCLWJEJ}

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	2026-05-18T04:14:36.377519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f241d6a52cfda1ab2b61abfe112ec9226fbe2c8ba89be1da169d7083a473b238

Aliases

arxiv: 0809.2266 · arxiv_version: 0809.2266v3 · doi: 10.48550/arxiv.0809.2266 · pith_short_12: 6JA5NJJM7WQ2 · pith_short_16: 6JA5NJJM7WQ2WK3B · pith_short_8: 6JA5NJJM

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/6JA5NJJM7WQ2WK3BVP7BCLWJEJ \
  | 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: f241d6a52cfda1ab2b61abfe112ec9226fbe2c8ba89be1da169d7083a473b238

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75a3626727cb6f1674188676bf9ef94a4f10942ae62c0b3d299bf8d144acf6aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-12T18:24:22Z",
    "title_canon_sha256": "24324fc1c659592414700749c6b45d55318be7f9f3bebd51fcf88e4478043ace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2266",
    "kind": "arxiv",
    "version": 3
  }
}