Pith Number

pith:RMCXDX26

pith:2025:RMCXDX26LZE6S75ETJYYVVHHBA

not attested not anchored not stored refs pending

Catalytic Computing and Register Programs Beyond Log-Depth

Alexander Smal, Antoine Vinciguerra, Ian Mertz, Yaroslav Alekseev, Yuval Filmus

arxiv:2504.17412 v1 · 2025-04-24 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RMCXDX26LZE6S75ETJYYVVHHBA}

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

Linear Matroid Intersection is in Catalytic Logspace

Receipt and verification

First computed	2026-07-05T10:53:28.238127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b0571df5e5e49e97fa49a718ad4e7080728dde4dd7b671515f86b9f0d34f473

Aliases

arxiv: 2504.17412 · arxiv_version: 2504.17412v1 · doi: 10.48550/arxiv.2504.17412 · pith_short_12: RMCXDX26LZE6 · pith_short_16: RMCXDX26LZE6S75E · pith_short_8: RMCXDX26

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/RMCXDX26LZE6S75ETJYYVVHHBA \
  | 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: 8b0571df5e5e49e97fa49a718ad4e7080728dde4dd7b671515f86b9f0d34f473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd1b427c665f7ed1fd5262497b6a63ed3888405f9d70e6882a81f7bcad0b7254",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2025-04-24T10:09:33Z",
    "title_canon_sha256": "08d1f35bd5edb2f72b9b920b461e1070452127fd68741873cb994e8e066c0045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17412",
    "kind": "arxiv",
    "version": 1
  }
}