Pith Number

pith:4XG56AL5

pith:2025:4XG56AL52EQBUJLBRNPZDL74K7

not attested not anchored not stored refs pending

On sources to variabilities of simple cells in the primary visual cortex: A principled theory for the interaction between geometric image transformations and receptive field responses

Tony Lindeberg

arxiv:2509.02139 v7 · 2025-09-02 · 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{4XG56AL52EQBUJLBRNPZDL74K7}

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	2026-05-18T03:09:34.697028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5cddf017dd1201a25618b5f91affc57d09b4c23e4c331fe79f13512779e8298

Aliases

arxiv: 2509.02139 · arxiv_version: 2509.02139v7 · doi: 10.48550/arxiv.2509.02139 · pith_short_12: 4XG56AL52EQB · pith_short_16: 4XG56AL52EQBUJLB · pith_short_8: 4XG56AL5

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/4XG56AL52EQBUJLBRNPZDL74K7 \
  | 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: e5cddf017dd1201a25618b5f91affc57d09b4c23e4c331fe79f13512779e8298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b44bc08d86093c571ff426f1025db1a139e781a12ca433fd693fc0d58c752048",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2025-09-02T09:41:55Z",
    "title_canon_sha256": "db75c5df5d0951c7a4eaf16da104cd3993270b046072508c6eb971121f239d07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02139",
    "kind": "arxiv",
    "version": 7
  }
}