Pith Number

pith:NAV4IYYR

pith:2016:NAV4IYYRS5U6TAH4MQHQH4WKN7

not attested not anchored not stored refs pending

On Optimality Conditions for Auto-Encoder Signal Recovery

Devansh Arpit, Hung Q. Ngo, Nils Napp, Venu Govindaraju, Yingbo Zhou

arxiv:1605.07145 v2 · 2016-05-23 · stat.ML · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NAV4IYYRS5U6TAH4MQHQH4WKN7}

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	2026-05-18T00:40:24.302221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

682bc463119769e980fc640f03f2ca6ff98a186800d559c375fc728da1a17fc9

Aliases

arxiv: 1605.07145 · arxiv_version: 1605.07145v2 · doi: 10.48550/arxiv.1605.07145 · pith_short_12: NAV4IYYRS5U6 · pith_short_16: NAV4IYYRS5U6TAH4 · pith_short_8: NAV4IYYR

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/NAV4IYYRS5U6TAH4MQHQH4WKN7 \
  | 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: 682bc463119769e980fc640f03f2ca6ff98a186800d559c375fc728da1a17fc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49cb2d2867f3ad662f6f09d5ee02a84bdb0bf004ef7c7e8fdb767a96918ff163",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-05-23T19:21:53Z",
    "title_canon_sha256": "f90f88bf85da497e5251b7127e5f954ed5d6cab8a7334490f9bbbf3e9f982e5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07145",
    "kind": "arxiv",
    "version": 2
  }
}