Pith Number

pith:5KV3UMM7

pith:2013:5KV3UMM7FRZJDIABODMXRUOYDP

not attested not anchored not stored refs pending

How Uncertainty bounds the shape index of simple cells

Alessandro Sarti, Davide Barbieri, Giovanna Citti

arxiv:1303.0671 v1 · 2013-03-04 · q-bio.CB · math.GR · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KV3UMM7FRZJDIABODMXRUOYDP}

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	2026-05-18T03:31:55.261755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaabba319f2c7291a00170d978d1d81bc5cd29680e55485682c0e26c2f5ba861

Aliases

arxiv: 1303.0671 · arxiv_version: 1303.0671v1 · doi: 10.48550/arxiv.1303.0671 · pith_short_12: 5KV3UMM7FRZJ · pith_short_16: 5KV3UMM7FRZJDIAB · pith_short_8: 5KV3UMM7

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/5KV3UMM7FRZJDIABODMXRUOYDP \
  | 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: eaabba319f2c7291a00170d978d1d81bc5cd29680e55485682c0e26c2f5ba861

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b6570f5132aff212ed11144cdd92516ba5e0dee0604d04f503c0baa13b0ccc6",
    "cross_cats_sorted": [
      "math.GR",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.CB",
    "submitted_at": "2013-03-04T11:13:17Z",
    "title_canon_sha256": "d13639869f3d60848ca52dbd469bf34bb2e26033dbad988ce2cfddf3e276cca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0671",
    "kind": "arxiv",
    "version": 1
  }
}