Pith Number

pith:HDOCOKCN

pith:2019:HDOCOKCNEYITL4PWQRTDSYAOIH

not attested not anchored not stored refs pending

A sub-Riemannian model of the visual cortex with frequency and phase

A. Sarti, E. Baspinar, G. Citti

arxiv:1910.04992 v1 · 2019-10-11 · q-bio.NC · cs.CV · math.AP · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDOCOKCNEYITL4PWQRTDSYAOIH}

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	2026-07-05T01:25:11.474548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38dc27284d261135f1f6846639600e41e1bfc1f827bd0d59e0dd4c13017abccb

Aliases

arxiv: 1910.04992 · arxiv_version: 1910.04992v1 · doi: 10.48550/arxiv.1910.04992 · pith_short_12: HDOCOKCNEYIT · pith_short_16: HDOCOKCNEYITL4PW · pith_short_8: HDOCOKCN

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/HDOCOKCNEYITL4PWQRTDSYAOIH \
  | 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: 38dc27284d261135f1f6846639600e41e1bfc1f827bd0d59e0dd4c13017abccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfdebf814093f59d65d2ce362c4d10be05485a958ea30a755ce2378679d12cc0",
    "cross_cats_sorted": [
      "cs.CV",
      "math.AP",
      "math.DG",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2019-10-11T06:41:11Z",
    "title_canon_sha256": "a660d75492bd1f749ef4e8fd0b31f3f2b00b872936cb5fe7c239991ed52d92b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04992",
    "kind": "arxiv",
    "version": 1
  }
}