Pith Number

pith:TH3MLYNM

pith:2012:TH3MLYNMIJSIUX7SXL375SJLS5

not attested not anchored not stored refs pending

Learning the Pseudoinverse Solution to Network Weights

Andre van Schaik, Jonathan Tapson

arxiv:1207.3368 v1 · 2012-07-13 · 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{TH3MLYNMIJSIUX7SXL375SJLS5}

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	2026-05-18T03:21:31.734050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99f6c5e1ac42648a5ff2baf7fec92b9749c7b194e5c0c2538f4c7b2f35d0c2b0

Aliases

arxiv: 1207.3368 · arxiv_version: 1207.3368v1 · doi: 10.48550/arxiv.1207.3368 · pith_short_12: TH3MLYNMIJSI · pith_short_16: TH3MLYNMIJSIUX7S · pith_short_8: TH3MLYNM

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/TH3MLYNMIJSIUX7SXL375SJLS5 \
  | 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: 99f6c5e1ac42648a5ff2baf7fec92b9749c7b194e5c0c2538f4c7b2f35d0c2b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e1ce1bdd836b70a2bd265b4c60f9ae62f93d21efdee499ea54e308ecc84a558",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2012-07-13T21:28:17Z",
    "title_canon_sha256": "812f7c6ee8ce865c6a2b7800bde70316292c25091196ff8f379b6fc094b7dc46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3368",
    "kind": "arxiv",
    "version": 1
  }
}