Pith Number

pith:DIX63M3X

pith:2024:DIX63M3XGGEW5HZEYGLLH6XEQH

not attested not anchored not stored refs pending

Finch: Sparse and Structured Tensor Programming with Control Flow

Changwan Hong, Kyle Deeds, Radha Patel, Saman Amarasinghe, Teodoro Fields Collin, Willow Ahrens

arxiv:2404.16730 v2 · 2024-04-25 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DIX63M3XGGEW5HZEYGLLH6XEQH}

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

Binsparse: A Specification for Cross-Platform Storage of Sparse Matrices and Tensors

Receipt and verification

First computed	2026-07-05T10:06:40.213622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a2fedb37731896e9f24c196b3fae481dab44c768f72752582f544d1cebdf31d

Aliases

arxiv: 2404.16730 · arxiv_version: 2404.16730v2 · doi: 10.48550/arxiv.2404.16730 · pith_short_12: DIX63M3XGGEW · pith_short_16: DIX63M3XGGEW5HZE · pith_short_8: DIX63M3X

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/DIX63M3XGGEW5HZEYGLLH6XEQH \
  | 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: 1a2fedb37731896e9f24c196b3fae481dab44c768f72752582f544d1cebdf31d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0334456620d47df524a24c2738895a5dc9c157dd47cb7f2fd523ca851326412a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2024-04-25T16:41:12Z",
    "title_canon_sha256": "a49aff3e0149d7d2f3d1ad832cec9b134450041b2b18d8535a0c8d65aecf3855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.16730",
    "kind": "arxiv",
    "version": 2
  }
}