Pith Number

pith:VPOHGOQX

pith:2022:VPOHGOQXHTODKVJTCTU2DCHCKI

not attested not anchored not stored refs pending

Towards Scaling Difference Target Propagation by Learning Backprop Targets

Abhinav Moudgil, Blake Richards, Eugene Belilovsky, Fabrice Normandin, Irina Rish, Maxence Ernoult, Sean Spinney, Yoshua Bengio

arxiv:2201.13415 v1 · 2022-01-31 · 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{VPOHGOQXHTODKVJTCTU2DCHCKI}

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	2026-07-05T03:52:51.795261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abdc733a173cdc35553314e9a188e2520ace08f03ef4537551a776a7d930d925

Aliases

arxiv: 2201.13415 · arxiv_version: 2201.13415v1 · doi: 10.48550/arxiv.2201.13415 · pith_short_12: VPOHGOQXHTOD · pith_short_16: VPOHGOQXHTODKVJT · pith_short_8: VPOHGOQX

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/VPOHGOQXHTODKVJTCTU2DCHCKI \
  | 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: abdc733a173cdc35553314e9a188e2520ace08f03ef4537551a776a7d930d925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9be6e7a32f447df8803c474b30b08c8de16aa4e9c9704def21c52ca4c0e42fc3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2022-01-31T18:20:43Z",
    "title_canon_sha256": "368e8aebce801e91800835f588dfc8fd5be0046130b7e03db65524eca473625c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13415",
    "kind": "arxiv",
    "version": 1
  }
}