Pith Number

pith:SHBAKDFQ

pith:2018:SHBAKDFQIYXRPRSJW4VEPGWLAG

not attested not anchored not stored refs pending

Building Sparse Deep Feedforward Networks using Tree Receptive Fields

Nevin L. Zhang, Xiaopeng Li, Zhourong Chen

arxiv:1803.05209 v2 · 2018-03-14 · 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{SHBAKDFQIYXRPRSJW4VEPGWLAG}

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	2026-05-18T00:10:38.223284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91c2050cb0462f17c649b72a479acb018bede1db02e05c751bd645f9fef44fab

Aliases

arxiv: 1803.05209 · arxiv_version: 1803.05209v2 · doi: 10.48550/arxiv.1803.05209 · pith_short_12: SHBAKDFQIYXR · pith_short_16: SHBAKDFQIYXRPRSJ · pith_short_8: SHBAKDFQ

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/SHBAKDFQIYXRPRSJW4VEPGWLAG \
  | 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: 91c2050cb0462f17c649b72a479acb018bede1db02e05c751bd645f9fef44fab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "644b5c8ba35f50fbbb9dfc46383141bda7d5d8f79e8527582e4c8ef4b199887b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-03-14T11:27:15Z",
    "title_canon_sha256": "b7c673e29af21644d5f98578c7607fc5ceb73f58f37c7813a99e233ec8de5afb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05209",
    "kind": "arxiv",
    "version": 2
  }
}