Pith Number

pith:RRSBSW2G

pith:2015:RRSBSW2GSCWUG5FVGEARMND23U

not attested not anchored not stored refs pending

A Hebbian/Anti-Hebbian Network for Online Sparse Dictionary Learning Derived from Symmetric Matrix Factorization

Cengiz Pehlevan, Dmitri B. Chklovskii, Tao Hu

arxiv:1503.00690 v2 · 2015-03-02 · q-bio.NC · cs.NE · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRSBSW2GSCWUG5FVGEARMND23U}

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	2026-05-18T01:25:47.260152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c64195b4690ad4374b5310116347add01e347214c3fbcf104720c43125b26bf

Aliases

arxiv: 1503.00690 · arxiv_version: 1503.00690v2 · doi: 10.48550/arxiv.1503.00690 · pith_short_12: RRSBSW2GSCWU · pith_short_16: RRSBSW2GSCWUG5FV · pith_short_8: RRSBSW2G

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/RRSBSW2GSCWUG5FVGEARMND23U \
  | 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: 8c64195b4690ad4374b5310116347add01e347214c3fbcf104720c43125b26bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c515cefe830d4cbc9de2ddf43133bb7e5d723b1fddf1107b17c3a3515170be7",
    "cross_cats_sorted": [
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2015-03-02T20:16:19Z",
    "title_canon_sha256": "02c0f20494236e1fb9c05f686f64fe0854fbdd3ac47d5f2716560d415eca89c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00690",
    "kind": "arxiv",
    "version": 2
  }
}