Pith Number

pith:VJS7OLRR

pith:2023:VJS7OLRRUMQG7XDJT7JZ4NX6AU

not attested not anchored not stored refs pending

GRIL: A $2$-parameter Persistence Based Vectorization for Machine Learning

Cheng Xin, Shreyas N. Samaga, Soham Mukherjee, Tamal K. Dey

arxiv:2304.04970 v2 · 2023-04-11 · cs.LG · cs.AI · cs.CG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJS7OLRRUMQG7XDJT7JZ4NX6AU}

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	2026-07-05T06:26:20.876878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa65f72e31a3206fdc699fd39e36fe0508e83c49540b516adf50780018037892

Aliases

arxiv: 2304.04970 · arxiv_version: 2304.04970v2 · doi: 10.48550/arxiv.2304.04970 · pith_short_12: VJS7OLRRUMQG · pith_short_16: VJS7OLRRUMQG7XDJ · pith_short_8: VJS7OLRR

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/VJS7OLRRUMQG7XDJT7JZ4NX6AU \
  | 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: aa65f72e31a3206fdc699fd39e36fe0508e83c49540b516adf50780018037892

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d8bbdb0adc873bdb0b5ca79a50f34b3413c80f535fc36fd72e87e502dafdc65",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CG",
      "math.AT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-04-11T04:30:58Z",
    "title_canon_sha256": "52f7f852bc357b491adb7747dce2aeb554862e1540d2342e9ffd8595b464572d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.04970",
    "kind": "arxiv",
    "version": 2
  }
}