Pith Number

pith:TSFFVU5Q

pith:2025:TSFFVU5QIBFONZDNYHV5LUJ37V

not attested not anchored not stored refs pending

Relative ultragraph algebras and infinite interval maps

Ben-Hur Eidt, Daniel Gon\c{c}alves, Danilo Royer

arxiv:2508.19835 v1 · 2025-08-27 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSFFVU5QIBFONZDNYHV5LUJ37V}

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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

Residual finite-dimensionality of ultragraph algebras via branching systems

Receipt and verification

First computed	2026-07-05T12:00:18.542207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c8a5ad3b0404ae6e46dc1ebd5d13bfd50059e2e1d034cb4ee9d602a07089cc5

Aliases

arxiv: 2508.19835 · arxiv_version: 2508.19835v1 · doi: 10.48550/arxiv.2508.19835 · pith_short_12: TSFFVU5QIBFO · pith_short_16: TSFFVU5QIBFONZDN · pith_short_8: TSFFVU5Q

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/TSFFVU5QIBFONZDNYHV5LUJ37V \
  | 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: 9c8a5ad3b0404ae6e46dc1ebd5d13bfd50059e2e1d034cb4ee9d602a07089cc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af461d743859b366d96b7bcdb34c0bb07249919e8886600d4fec01e2f29ef1e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2025-08-27T12:42:19Z",
    "title_canon_sha256": "b63dcd515f2ea50ef6c1e66f737e339b5a3313597ce4902cbdbb4204abc85f57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19835",
    "kind": "arxiv",
    "version": 1
  }
}