pith. sign in
Pith Number

pith:LUGGCINR

pith:1999:LUGGCINRFB5JZA53KNCRCCCC5A
not attested not anchored not stored refs pending

Beyond Hebb: Exclusive-OR and Biological Learning

Heinz Georg Schuster (Kiel University), Konstantin Klemm, Stefan Bornholdt

arxiv:adap-org/9909005 v2 · 1999-09-15 · adap-org · cond-mat.dis-nn · cond-mat.stat-mech · nlin.AO · physics.bio-ph · q-bio.NC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LUGGCINRFB5JZA53KNCRCCCC5A}

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 2026-05-18T01:37:43.222899Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5d0c6121b1287a9c83bb5345110842e80791ad56e29989db1bba0bc4861d3048

Aliases

arxiv: adap-org/9909005 · arxiv_version: adap-org/9909005v2 · doi: 10.48550/arxiv.adap-org/9909005 · pith_short_12: LUGGCINRFB5J · pith_short_16: LUGGCINRFB5JZA53 · pith_short_8: LUGGCINR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LUGGCINRFB5JZA53KNCRCCCC5A \
  | 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: 5d0c6121b1287a9c83bb5345110842e80791ad56e29989db1bba0bc4861d3048
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "62783d3fc2760a5f048aa4f33f358d37cb45b878dc38c9e2c4eb46c4364e4fe9",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.stat-mech",
      "nlin.AO",
      "physics.bio-ph",
      "q-bio.NC"
    ],
    "license": "",
    "primary_cat": "adap-org",
    "submitted_at": "1999-09-15T16:21:40Z",
    "title_canon_sha256": "15fbaf3355172009f60bafda9edd2d9bf2c76b2caaf614e6e0ce9d177840fa31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "adap-org/9909005",
    "kind": "arxiv",
    "version": 2
  }
}