Pith Number

pith:WQEJGPPN

pith:2022:WQEJGPPNXDUUHWDUC5K6QMXQ4W

not attested not anchored not stored refs pending

A temporally and spatially local spike-based backpropagation algorithm to enable training in hardware

Anmol Biswas, Udayan Ganguly, Vivek Saraswat

arxiv:2207.09755 v2 · 2022-07-20 · cs.NE · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQEJGPPNXDUUHWDUC5K6QMXQ4W}

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	2026-07-05T06:44:18.644459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b408933dedb8e943d8741755e832f0e5b4184e53c85edcc7f933f039021a0e94

Aliases

arxiv: 2207.09755 · arxiv_version: 2207.09755v2 · doi: 10.48550/arxiv.2207.09755 · pith_short_12: WQEJGPPNXDUU · pith_short_16: WQEJGPPNXDUUHWDU · pith_short_8: WQEJGPPN

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/WQEJGPPNXDUUHWDUC5K6QMXQ4W \
  | 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: b408933dedb8e943d8741755e832f0e5b4184e53c85edcc7f933f039021a0e94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c785efe298e2a7c6a86928ee87c6aba2906252b995b946b29a2505daf40efb50",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2022-07-20T08:57:53Z",
    "title_canon_sha256": "2e57c105d8bc3adcd78ae76fb088dd0512ff314d89551af58861e9907372e6f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.09755",
    "kind": "arxiv",
    "version": 2
  }
}