Pith Number

pith:KO6PEYZD

pith:2019:KO6PEYZD4JPGH3IIBZRBQIB3UA

not attested not anchored not stored refs pending

Persistent homology detects curvature

Benjamin Whittle, Dhruv Patel, Michael Hull, Peter Bubenik

arxiv:1905.13196 v3 · 2019-05-30 · cs.CG · cs.LG · math.AT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KO6PEYZD4JPGH3IIBZRBQIB3UA}

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.

Cited by

1 paper in Pith

How many points in a point cloud is sufficient for accurate estimation of the curvature

Receipt and verification

First computed	2026-07-05T10:15:39.950325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53bcf26323e25e63ed080e6218203ba037ac2e79d36e3ea7747d17214e3e8758

Aliases

arxiv: 1905.13196 · arxiv_version: 1905.13196v3 · doi: 10.48550/arxiv.1905.13196 · pith_short_12: KO6PEYZD4JPG · pith_short_16: KO6PEYZD4JPGH3II · pith_short_8: KO6PEYZD

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/KO6PEYZD4JPGH3IIBZRBQIB3UA \
  | 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: 53bcf26323e25e63ed080e6218203ba037ac2e79d36e3ea7747d17214e3e8758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feefbcfb1f113fe6bc5a661c4509dc34be818e35fecfaf615bcd5d0fa8ec3ddd",
    "cross_cats_sorted": [
      "cs.LG",
      "math.AT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-05-30T17:36:58Z",
    "title_canon_sha256": "ed0b5432c412844f82694674248d41cfdf8d6657b83a5793bf17c642d75df4e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13196",
    "kind": "arxiv",
    "version": 3
  }
}