Pith Number

pith:5YREE2MW

pith:2019:5YREE2MW2W7UKOOTVO7B7QP24L

not attested not anchored not stored refs pending

Backpropagation-Friendly Eigendecomposition

Mathieu Salzmann, Pascal Fua, Wei Wang, Yinlin Hu, Zheng Dang

arxiv:1906.09023 v2 · 2019-06-21 · cs.LG · cs.CV · 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{5YREE2MW2W7UKOOTVO7B7QP24L}

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	2026-05-17T23:42:07.757259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee22426996d5bf4539d3abbe1fc1fae2e8d48832e781e65d896cb1a8f08e9f8e

Aliases

arxiv: 1906.09023 · arxiv_version: 1906.09023v2 · doi: 10.48550/arxiv.1906.09023 · pith_short_12: 5YREE2MW2W7U · pith_short_16: 5YREE2MW2W7UKOOT · pith_short_8: 5YREE2MW

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/5YREE2MW2W7UKOOTVO7B7QP24L \
  | 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: ee22426996d5bf4539d3abbe1fc1fae2e8d48832e781e65d896cb1a8f08e9f8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4959078b3935558c3dd1f58f64350f9aea3f0be1ea59b9cbb54d671d3491435f",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-21T09:17:14Z",
    "title_canon_sha256": "7c265f815f8b801efc9fc5f791a72575e735f833c3963bbd8e5c88ad8d32e4da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09023",
    "kind": "arxiv",
    "version": 2
  }
}