Pith Number

pith:3FSF75W5

pith:2019:3FSF75W57GCQDUIIZPUZ3M4YWR

not attested not anchored not stored refs pending

Investigating the OPS intermediate representation to target GPUs in the Devito DSL

Vincenzo Pandolfo

arxiv:1906.10811 v1 · 2019-06-26 · cs.MS · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FSF75W57GCQDUIIZPUZ3M4YWR}

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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	2026-05-17T23:42:14.710522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9645ff6ddf98501d108cbe99db398b474ac91be8822fdcaf46712b8c95eb044

Aliases

arxiv: 1906.10811 · arxiv_version: 1906.10811v1 · doi: 10.48550/arxiv.1906.10811 · pith_short_12: 3FSF75W57GCQ · pith_short_16: 3FSF75W57GCQDUII · pith_short_8: 3FSF75W5

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/3FSF75W57GCQDUIIZPUZ3M4YWR \
  | 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: d9645ff6ddf98501d108cbe99db398b474ac91be8822fdcaf46712b8c95eb044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49185ba6caa61a1b47a6e8fba86bf216e51e6f8c67d631923277516df9401a9e",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2019-06-26T02:11:08Z",
    "title_canon_sha256": "2823285f8b22f783dff333f5133444811251882221715779e341feca50a464c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10811",
    "kind": "arxiv",
    "version": 1
  }
}