Pith Number

pith:ATBIN2SB

pith:2020:ATBIN2SBRIE2IMZCWS7EDCZSK5

not attested not anchored not stored refs pending

Activation Relaxation: A Local Dynamical Approximation to Backpropagation in the Brain

Alexander Tschantz, Anil K Seth, Beren Millidge, Christopher L Buckley

arxiv:2009.05359 v5 · 2020-09-11 · cs.NE · cs.AI · cs.LG · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ATBIN2SBRIE2IMZCWS7EDCZSK5}

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	2026-07-05T01:41:57.100719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04c286ea418a09a43322b4be418b325774fbc141b0a1baa45eb8b7b26ba3e9a3

Aliases

arxiv: 2009.05359 · arxiv_version: 2009.05359v5 · doi: 10.48550/arxiv.2009.05359 · pith_short_12: ATBIN2SBRIE2 · pith_short_16: ATBIN2SBRIE2IMZC · pith_short_8: ATBIN2SB

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/ATBIN2SBRIE2IMZCWS7EDCZSK5 \
  | 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: 04c286ea418a09a43322b4be418b325774fbc141b0a1baa45eb8b7b26ba3e9a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06a670beafef596eca286e7327084ea284e6146959339689ed785494c5456e23",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-09-11T11:56:34Z",
    "title_canon_sha256": "a7c4cdb3e661bc642d675a7aa48b9174297270e0e58a4c96641f084c60742f07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05359",
    "kind": "arxiv",
    "version": 5
  }
}