Pith Number

pith:OLFYQOMP

pith:2019:OLFYQOMPDSB6VI3UL5FDMNF6US

not attested not anchored not stored refs pending

A Graph Theoretic Framework of Recomputation Algorithms for Memory-Efficient Backpropagation

Gentaro Watanabe, Masanori Koyama, Mitsuru Kusumoto, Takuya Akiba, Takuya Inoue

arxiv:1905.11722 v1 · 2019-05-28 · cs.LG · 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{OLFYQOMPDSB6VI3UL5FDMNF6US}

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	2026-05-17T23:44:52.512700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72cb88398f1c83eaa3745f4a3634bea4b1aa97323af8a87cbec20e6a6de17624

Aliases

arxiv: 1905.11722 · arxiv_version: 1905.11722v1 · doi: 10.48550/arxiv.1905.11722 · pith_short_12: OLFYQOMPDSB6 · pith_short_16: OLFYQOMPDSB6VI3U · pith_short_8: OLFYQOMP

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/OLFYQOMPDSB6VI3UL5FDMNF6US \
  | 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: 72cb88398f1c83eaa3745f4a3634bea4b1aa97323af8a87cbec20e6a6de17624

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5a0fdcabee32a2a29594a49b50e55e1198dc6767de04e2a299a92659d6b455",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-28T10:15:35Z",
    "title_canon_sha256": "c7e23b53b3fabca29793849ae235a485e343de4e0fab21c3f2edf9d4803d8105"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11722",
    "kind": "arxiv",
    "version": 1
  }
}