Pith Number

pith:7Z5LDLB2

pith:2014:7Z5LDLB2K7JNZMY5YIQZ4F7GDI

not attested not anchored not stored refs pending

Learning unbiased features

Kevin Swersky, Richard Zemel, Yujia Li

arxiv:1412.5244 v1 · 2014-12-17 · cs.LG · cs.AI · cs.NE · 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{7Z5LDLB2K7JNZMY5YIQZ4F7GDI}

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	2026-05-18T02:31:03.441433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7ab1ac3a57d2dcb31dc2219e17e61a2f6b4be0790e4ac3735c19fdd27ece05

Aliases

arxiv: 1412.5244 · arxiv_version: 1412.5244v1 · doi: 10.48550/arxiv.1412.5244 · pith_short_12: 7Z5LDLB2K7JN · pith_short_16: 7Z5LDLB2K7JNZMY5 · pith_short_8: 7Z5LDLB2

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/7Z5LDLB2K7JNZMY5YIQZ4F7GDI \
  | 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: fe7ab1ac3a57d2dcb31dc2219e17e61a2f6b4be0790e4ac3735c19fdd27ece05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f08d61bd7b07937ddf784ed7030cbb2b47f47b5e066b27ebe98841cf3877aad",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-12-17T02:47:22Z",
    "title_canon_sha256": "eb7a5be23eb8cba294b595cfd076ecf895dbeca0feb0f7931cfb4a0014289c15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5244",
    "kind": "arxiv",
    "version": 1
  }
}