Pith Number

pith:2XUZK46I

pith:2025:2XUZK46I74VQWN4QMSLEUCEJMF

not attested not anchored not stored refs pending

Honey, I shrunk the hypothesis space (through logical preprocessing)

Andrew Cropper, David M. Cerna, Filipe Gouveia

arxiv:2506.06739 v3 · 2025-06-07 · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2XUZK46I74VQWN4QMSLEUCEJMF}

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	2026-05-20T00:00:20.914696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5e99573c8ff2b0b379064964a0889615bb0bcb728b046b4645dfe1297f09ae5

Aliases

arxiv: 2506.06739 · arxiv_version: 2506.06739v3 · doi: 10.48550/arxiv.2506.06739 · pith_short_12: 2XUZK46I74VQ · pith_short_16: 2XUZK46I74VQWN4Q · pith_short_8: 2XUZK46I

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/2XUZK46I74VQWN4QMSLEUCEJMF \
  | 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: d5e99573c8ff2b0b379064964a0889615bb0bcb728b046b4645dfe1297f09ae5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38208422893ae94b8cb3a559736d35312201cfc5e2c865cbf0989e62a330a43a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-06-07T09:53:02Z",
    "title_canon_sha256": "769103c9cb6cec890839aecd84e456d43eb5a068d727442540a6f21b5fd145d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06739",
    "kind": "arxiv",
    "version": 3
  }
}