Pith Number

pith:4W6Y3R54

pith:2026:4W6Y3R54S2V4ULB4B7AZMWPESE

not attested not anchored not stored refs pending

Preservation Theorems for Transducer Outputs

Dominique Perrin, Herman Goulet-Ouellet, Mihir Vahanwala, Toghrul Karimov, Val\'erie Berth\'e

arxiv:2606.30013 v1 · 2026-06-29 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4W6Y3R54S2V4ULB4B7AZMWPESE}

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	2026-06-30T02:17:45.762456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5bd8dc7bc96abca2c3c0fc19659e4911678fc7f8ea957984573a1486e076217

Aliases

arxiv: 2606.30013 · arxiv_version: 2606.30013v1 · doi: 10.48550/arxiv.2606.30013 · pith_short_12: 4W6Y3R54S2V4 · pith_short_16: 4W6Y3R54S2V4ULB4 · pith_short_8: 4W6Y3R54

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/4W6Y3R54S2V4ULB4B7AZMWPESE \
  | 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: e5bd8dc7bc96abca2c3c0fc19659e4911678fc7f8ea957984573a1486e076217

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1e0a7b4b8992229371d25c07f4bb3c7d83088defa2046319a1b616e977b6660",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2026-06-29T09:19:06Z",
    "title_canon_sha256": "87bc134c5b9b9a17fc5d451b72d775090b4aa4de0d8ccbea41795b169f5da1d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30013",
    "kind": "arxiv",
    "version": 1
  }
}