Pith Number

pith:EV65QSQL

pith:2025:EV65QSQLYHD2U76UODZLVJT62I

not attested not anchored not stored refs pending

Extensibility and denseness of periodic semigroup actions

\'Alvaro Bustos-Gajardo, Miguel Donoso-Echenique, Raimundo Brice\~no

arxiv:2502.00312 v1 · 2025-02-01 · math.DS · math.GR · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EV65QSQLYHD2U76UODZLVJT62I}

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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

Natural extensions of embeddable semigroup actions

Receipt and verification

First computed	2026-07-05T10:08:31.961680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

257dd84a0bc1c7aa7fd470f2baa67ed22876aa9dee64e0e007deb75b91913250

Aliases

arxiv: 2502.00312 · arxiv_version: 2502.00312v1 · doi: 10.48550/arxiv.2502.00312 · pith_short_12: EV65QSQLYHD2 · pith_short_16: EV65QSQLYHD2U76U · pith_short_8: EV65QSQL

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/EV65QSQLYHD2U76UODZLVJT62I \
  | 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: 257dd84a0bc1c7aa7fd470f2baa67ed22876aa9dee64e0e007deb75b91913250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11952da9c591d3dba5c878003281e76d751b24d2a4b802f7a6b0ea4cd4edd7d5",
    "cross_cats_sorted": [
      "math.GR",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2025-02-01T04:22:00Z",
    "title_canon_sha256": "98ed53ffab59fd150e1e268220290b78b3b4e45ce0f8726727d9de9f6ef301d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00312",
    "kind": "arxiv",
    "version": 1
  }
}