Pith Number

pith:BNFBUOJZ

pith:2011:BNFBUOJZJVD74CKSBORV6P2YXI

not attested not anchored not stored refs pending

Learning invariant features through local space contraction

Gregoire Mesnil, Pascal Vincent, Salah Rifai, Xavier Glorot, Xavier Muller, Yoshua Bengio

arxiv:1104.4153 v1 · 2011-04-21 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BNFBUOJZJVD74CKSBORV6P2YXI}

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	2026-05-18T04:23:45.029458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b4a1a39394d47fe09520ba35f3f58ba151e9dfef279f6774cebfe91a5cad628

Aliases

arxiv: 1104.4153 · arxiv_version: 1104.4153v1 · doi: 10.48550/arxiv.1104.4153 · pith_short_12: BNFBUOJZJVD7 · pith_short_16: BNFBUOJZJVD74CKS · pith_short_8: BNFBUOJZ

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/BNFBUOJZJVD74CKSBORV6P2YXI \
  | 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: 0b4a1a39394d47fe09520ba35f3f58ba151e9dfef279f6774cebfe91a5cad628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5446ab547bc9bf6dee4c05e72c1cbfd3ba374fc248b6b36cdc75de8906a5256c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-04-21T01:39:25Z",
    "title_canon_sha256": "4d60e0bef59b55da494e6f244d288f41d1f13fec0296a97b88ceaab701a77f0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4153",
    "kind": "arxiv",
    "version": 1
  }
}