Pith Number

pith:HJMA5VX6

pith:2010:HJMA5VX6Y6NFAXSRKJH3NQDGHC

not attested not anchored not stored refs pending

Eigenvalue Distributions for a Class of Covariance Matrices with Applications to Bienenstock-Cooper-Munro Neurons Under Noisy Conditions

Armndop Bazzani, Gastone C. Castellani, Leon N. Cooper

arxiv:1001.4708 v1 · 2010-01-26 · physics.bio-ph · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJMA5VX6Y6NFAXSRKJH3NQDGHC}

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	2026-05-18T02:09:29.752585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a580ed6fec79a505e51524fb6c066388b6d85e7d5d90d2466a8879de2286de8

Aliases

arxiv: 1001.4708 · arxiv_version: 1001.4708v1 · doi: 10.48550/arxiv.1001.4708 · pith_short_12: HJMA5VX6Y6NF · pith_short_16: HJMA5VX6Y6NFAXSR · pith_short_8: HJMA5VX6

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/HJMA5VX6Y6NFAXSRKJH3NQDGHC \
  | 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: 3a580ed6fec79a505e51524fb6c066388b6d85e7d5d90d2466a8879de2286de8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "737f20cb9ab4b207f75bbd2813b5c0c911463a74e879140ee2b620969a939bd3",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2010-01-26T14:57:38Z",
    "title_canon_sha256": "eda607e43733d95ac1dc34fb3c1f03bc8565ae73a0ad8377c4a341076073d14c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4708",
    "kind": "arxiv",
    "version": 1
  }
}