Pith Number

pith:NGALSG6D

pith:2011:NGALSG6DF7ZXYT4IYCOYRTAQHA

not attested not anchored not stored refs pending

Coherent states of the Euclidean group and activation regions of primary visual cortex

Alessandro Sarti, Davide Barbieri, Giovanna Citti, Gonzalo Sanguinetti

arxiv:1111.0669 v1 · 2011-11-02 · math.RT · math.GR · physics.data-an · 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{NGALSG6DF7ZXYT4IYCOYRTAQHA}

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	2026-05-18T04:09:37.185544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6980b91bc32ff37c4f88c09d88cc103811c235927a669efd9a5b564da06d99ce

Aliases

arxiv: 1111.0669 · arxiv_version: 1111.0669v1 · doi: 10.48550/arxiv.1111.0669 · pith_short_12: NGALSG6DF7ZX · pith_short_16: NGALSG6DF7ZXYT4I · pith_short_8: NGALSG6D

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/NGALSG6DF7ZXYT4IYCOYRTAQHA \
  | 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: 6980b91bc32ff37c4f88c09d88cc103811c235927a669efd9a5b564da06d99ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6610ecce1b6bf0e44468fc159ada80db754171e122b907a2c5731dd16c4cb15c",
    "cross_cats_sorted": [
      "math.GR",
      "physics.data-an",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2011-11-02T21:24:43Z",
    "title_canon_sha256": "f6937646ebd9a0aceb28f35d33ea1ee7c7de7e5d2914940e69d023373dfd4f02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0669",
    "kind": "arxiv",
    "version": 1
  }
}