Pith Number

pith:ZDSJ72BB

pith:2021:ZDSJ72BB4CCKO4LW6K7YUOR3Z7

not attested not anchored not stored refs pending

Pure Tensor Program Rewriting via Access Patterns (Representation Pearl)

Andrew Liu, Gus Henry Smith, Joseph McMahan, Luis Ceze, Michael Taylor, Scott Davidson, Steven Lyubomirsky, Zachary Tatlock

arxiv:2105.09377 v1 · 2021-05-19 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZDSJ72BB4CCKO4LW6K7YUOR3Z7}

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	2026-07-05T02:41:52.033537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8e49fe821e084a77176f2bf8a3a3bcfd650d7284626ecc6813974db70c884f7

Aliases

arxiv: 2105.09377 · arxiv_version: 2105.09377v1 · doi: 10.48550/arxiv.2105.09377 · pith_short_12: ZDSJ72BB4CCK · pith_short_16: ZDSJ72BB4CCKO4LW · pith_short_8: ZDSJ72BB

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/ZDSJ72BB4CCKO4LW6K7YUOR3Z7 \
  | 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: c8e49fe821e084a77176f2bf8a3a3bcfd650d7284626ecc6813974db70c884f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42938c530361be5e6ddf4aa68e56ad6fd4821eea0f32d9b1fe33165530a34ada",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2021-05-19T19:56:44Z",
    "title_canon_sha256": "fddda465ad17f91f732df1dedce48298ea042fae49c27b6cd6c20b87ea8afea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09377",
    "kind": "arxiv",
    "version": 1
  }
}