Pith Number

pith:MJOUV23U

pith:2015:MJOUV23USPSDMIV3V6LQ7RBJKS

not attested not anchored not stored refs pending

GPU Kernels for High-Speed 4-Bit Astrophysical Data Processing

(2) Department of Physics, (3) Astrophysics, 4) ((1) Dunlap Institute for Astronomy, (4) Department of Astronomy, Andre Recnik (1), Astrophysics, Canada, Canada), Cosmology Research Unit, Durban, Jonathan Sievers (3), Keith Vanderlinde (1, Kevin Bandura (2), McGill University, Montreal, Nolan Denman (1), Peter Klages (1), South Africa, Toronto, University of KwaZulu-Natal, University of Toronto

arxiv:1503.06203 v1 · 2015-03-20 · astro-ph.IM

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

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	2026-05-18T02:20:48.312394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

625d4aeb7493e43622bbaf970fc42954bb892eb43650fdcae836faf26491b284

Aliases

arxiv: 1503.06203 · arxiv_version: 1503.06203v1 · doi: 10.48550/arxiv.1503.06203 · pith_short_12: MJOUV23USPSD · pith_short_16: MJOUV23USPSDMIV3 · pith_short_8: MJOUV23U

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/MJOUV23USPSDMIV3V6LQ7RBJKS \
  | 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: 625d4aeb7493e43622bbaf970fc42954bb892eb43650fdcae836faf26491b284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf2f2bdeb8a8b01e54def8b05a5909b417635872bf33808b463e705c4b80da5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-03-20T19:36:11Z",
    "title_canon_sha256": "90dc7a6c52df70ba7aba9806dbeb9009c6bbeca51ac11afdbb17e66cd32695b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06203",
    "kind": "arxiv",
    "version": 1
  }
}