Pith Number

pith:7U4ZGBN6

pith:2026:7U4ZGBN6LGK4DZKO375ZPPPYIR

not attested not anchored not stored refs pending

Megakernel vs Wavefront GPU Path Tracing

Austin Kim, Kyle Webster, Rafael Padilla

arxiv:2605.27323 v1 · 2026-05-26 · cs.GR · cs.AR · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7U4ZGBN6LGK4DZKO375ZPPPYIR}

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	2026-05-27T02:06:18.103855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd399305be5995c1e54edffb97bdf8445a300d95e88cb3e550e5cb95ff8138ee

Aliases

arxiv: 2605.27323 · arxiv_version: 2605.27323v1 · doi: 10.48550/arxiv.2605.27323 · pith_short_12: 7U4ZGBN6LGK4 · pith_short_16: 7U4ZGBN6LGK4DZKO · pith_short_8: 7U4ZGBN6

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/7U4ZGBN6LGK4DZKO375ZPPPYIR \
  | 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: fd399305be5995c1e54edffb97bdf8445a300d95e88cb3e550e5cb95ff8138ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad6cdfeabb7a05f4c2af48be2370f63bdce415d9a6fff950933a3eaf6516e7f5",
    "cross_cats_sorted": [
      "cs.AR",
      "cs.PF"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2026-05-26T17:34:04Z",
    "title_canon_sha256": "14c1f896c8f632e6d4b1cb08eca8f0d98dcb494d5d9d4ed18dbd51b3b7c5bdcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27323",
    "kind": "arxiv",
    "version": 1
  }
}