Pith Number

pith:BQMP57VO

pith:2018:BQMP57VOQZG5V7ZWSEIMBK5DS3

not attested not anchored not stored refs pending

Efficient Differentiable Programming in a Functional Array-Processing Language

Amir Shaikhha, Andrew Fitzgibbon, Christoph Koch, Dimitrios Vytiniotis, Simon Peyton Jones

arxiv:1806.02136 v1 · 2018-06-06 · cs.MS · cs.LG · cs.PL · cs.SC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQMP57VOQZG5V7ZWSEIMBK5DS3}

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	2026-05-18T00:14:02.553129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c18fefeae864ddaff369110c0aba396fa363c3ba0da1ded7cbdf3e5e705f5c6

Aliases

arxiv: 1806.02136 · arxiv_version: 1806.02136v1 · doi: 10.48550/arxiv.1806.02136 · pith_short_12: BQMP57VOQZG5 · pith_short_16: BQMP57VOQZG5V7ZW · pith_short_8: BQMP57VO

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/BQMP57VOQZG5V7ZWSEIMBK5DS3 \
  | 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: 0c18fefeae864ddaff369110c0aba396fa363c3ba0da1ded7cbdf3e5e705f5c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a0fca4f9d8fa90fc29863e19f2c0887cc8504925b4b15e03cd37d9d444f51a",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.PL",
      "cs.SC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2018-06-06T11:54:34Z",
    "title_canon_sha256": "f912bbc485cd7210cafd9a98c544cb8d0f4ba37543efa0129c9f80cc314c896e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02136",
    "kind": "arxiv",
    "version": 1
  }
}