Pith Number

pith:CNUXJNZP

pith:2025:CNUXJNZP7KZ4XYUREDU6DEYQF3

not attested not anchored not stored refs pending

Topological mechanical neural networks as classifiers through in situ backpropagation learning

Shuaifeng Li, Xiaoming Mao

arxiv:2503.07796 v1 · 2025-03-10 · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNUXJNZP7KZ4XYUREDU6DEYQF3}

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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.

Cited by

1 paper in Pith

Unifying Physical Backpropagation

Receipt and verification

First computed	2026-07-05T10:28:43.957747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

136974b72ffab3cbe29120e9e193102ec2fae71b3a90d4abb515af0a069ab5bd

Aliases

arxiv: 2503.07796 · arxiv_version: 2503.07796v1 · doi: 10.48550/arxiv.2503.07796 · pith_short_12: CNUXJNZP7KZ4 · pith_short_16: CNUXJNZP7KZ4XYUR · pith_short_8: CNUXJNZP

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/CNUXJNZP7KZ4XYUREDU6DEYQF3 \
  | 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: 136974b72ffab3cbe29120e9e193102ec2fae71b3a90d4abb515af0a069ab5bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4353e1f89e9535989d42d7007bc1d3f3fc79517e9e4b1cace0adba5b4029de0f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2025-03-10T19:25:29Z",
    "title_canon_sha256": "a0d605819963b60d18117a30aeb42cd15a5dd24fc0e9cfc2e5e541595788de91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.07796",
    "kind": "arxiv",
    "version": 1
  }
}