Pith Number

pith:P4WY6WP4

pith:2022:P4WY6WP4P45XWGUTGDWRPALFCN

not attested not anchored not stored refs pending

Exploiting Problem Structure in Deep Declarative Networks: Two Case Studies

Chamin Hewa Koneputugodage, Dylan Campbell, Itzik Ben-Shabat, Stephen Gould, Zhiwei Xu

arxiv:2202.12404 v1 · 2022-02-24 · 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{P4WY6WP4P45XWGUTGDWRPALFCN}

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	2026-07-05T03:59:54.889154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f2d8f59fc7f3b7b1a9330ed178165136b71ff1ee4545dce8f6337a5c9bb950b

Aliases

arxiv: 2202.12404 · arxiv_version: 2202.12404v1 · doi: 10.48550/arxiv.2202.12404 · pith_short_12: P4WY6WP4P45X · pith_short_16: P4WY6WP4P45XWGUT · pith_short_8: P4WY6WP4

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/P4WY6WP4P45XWGUTGDWRPALFCN \
  | 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: 7f2d8f59fc7f3b7b1a9330ed178165136b71ff1ee4545dce8f6337a5c9bb950b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4e8c70592d09a28c8ac23624b5f9b80e0eacb5cf7b5771713aa8b538ef8545c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-24T22:53:03Z",
    "title_canon_sha256": "369c3cab5018ab6bf32783ac3c634c28b84299f84c8b9dc6cac79cddf3ee9e53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12404",
    "kind": "arxiv",
    "version": 1
  }
}