Pith Number

pith:RPASMP4O

pith:2019:RPASMP4OJUHRUZGUVCNULLZAMJ

not attested not anchored not stored refs pending

Preservation of normality by transducers

Elisa Orduna, Olivier Carton

arxiv:1904.09133 v1 · 2019-04-19 · 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{RPASMP4OJUHRUZGUVCNULLZAMJ}

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	2026-05-17T23:48:08.223833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bc1263f8e4d0f1a64d4a89b45af2062715fd06b8531673dbafee0a62347ef9d

Aliases

arxiv: 1904.09133 · arxiv_version: 1904.09133v1 · doi: 10.48550/arxiv.1904.09133 · pith_short_12: RPASMP4OJUHR · pith_short_16: RPASMP4OJUHRUZGU · pith_short_8: RPASMP4O

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/RPASMP4OJUHRUZGUVCNULLZAMJ \
  | 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: 8bc1263f8e4d0f1a64d4a89b45af2062715fd06b8531673dbafee0a62347ef9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14af0e5af383c79d7f0a035bc408be3f7c9f4e2058f1cdf491c41d05251827a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-04-19T09:50:28Z",
    "title_canon_sha256": "52a5cf78c81dd1c6adea77edb9d5762f2516767cc1b38b08e61b5f158056c7ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09133",
    "kind": "arxiv",
    "version": 1
  }
}