Pith Number

pith:G3HCUCL5

pith:2008:G3HCUCL5BKCAVCKNVV7N3O4SSN

not attested not anchored not stored refs pending

Natural Image Coding in V1: How Much Use is Orientation Selectivity?

Fabian Sinz, Jan Eichhorn, Matthias Bethge

arxiv:0810.2872 v2 · 2008-10-16 · 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{G3HCUCL5BKCAVCKNVV7N3O4SSN}

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	2026-05-18T02:15:24.253728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36ce2a097d0a840a894dad7eddbb929374e5028eb30d88ba6b272e52d395ffa1

Aliases

arxiv: 0810.2872 · arxiv_version: 0810.2872v2 · doi: 10.48550/arxiv.0810.2872 · pith_short_12: G3HCUCL5BKCA · pith_short_16: G3HCUCL5BKCAVCKN · pith_short_8: G3HCUCL5

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/G3HCUCL5BKCAVCKNVV7N3O4SSN \
  | 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: 36ce2a097d0a840a894dad7eddbb929374e5028eb30d88ba6b272e52d395ffa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96f66d93f0166f0907c95655bfe123f13692674eec153a8695f16e70a56680f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2008-10-16T19:11:39Z",
    "title_canon_sha256": "d3a77634807de7431a7f2ad5502891390ea7af4b2a4259fa6f8ec3e14245870b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.2872",
    "kind": "arxiv",
    "version": 2
  }
}