Pith Number

pith:WZQT3UNC

pith:2016:WZQT3UNCO3JMLVMFPXOGJUKMUM

not attested not anchored not stored refs pending

DiffSharp: An AD Library for .NET Languages

At{\i}l{\i}m G\"une\c{s} Baydin, Barak A. Pearlmutter, Jeffrey Mark Siskind

arxiv:1611.03423 v1 · 2016-11-10 · cs.MS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZQT3UNCO3JMLVMFPXOGJUKMUM}

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	2026-05-18T00:59:35.328743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6613dd1a276d2c5d5857ddc64d14ca3145173abd22e6c83e0cbd2c7207e920d

Aliases

arxiv: 1611.03423 · arxiv_version: 1611.03423v1 · doi: 10.48550/arxiv.1611.03423 · pith_short_12: WZQT3UNCO3JM · pith_short_16: WZQT3UNCO3JMLVMF · pith_short_8: WZQT3UNC

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/WZQT3UNCO3JMLVMFPXOGJUKMUM \
  | 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: b6613dd1a276d2c5d5857ddc64d14ca3145173abd22e6c83e0cbd2c7207e920d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "670cd23c7ca8bbb4d028130eda533305f7857d81a6572a741fd3eef336e9dae4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2016-11-10T17:50:06Z",
    "title_canon_sha256": "87cc3d44b2aa3cffcc1bc0dbc5fafe5f43f1384052ac88ba2b8b33bbd8de6a76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.03423",
    "kind": "arxiv",
    "version": 1
  }
}