Pith Number

pith:Q2JMI4D3

pith:2026:Q2JMI4D3YKERJQCU2JTWOKF7ZW

not attested not anchored not stored refs pending

Weak porosity in spaces of homogeneous type

Diego Maldonado

arxiv:2607.23686 v1 · 2026-07-26 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2JMI4D3YKERJQCU2JTWOKF7ZW}

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	2026-07-28T01:23:05.422304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8692c4707bc28914c054d2676728bfcd8f1f06f971283d155d7514d7a089fcc9

Aliases

arxiv: 2607.23686 · arxiv_version: 2607.23686v1 · doi: 10.48550/arxiv.2607.23686 · pith_short_12: Q2JMI4D3YKER · pith_short_16: Q2JMI4D3YKERJQCU · pith_short_8: Q2JMI4D3

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/Q2JMI4D3YKERJQCU2JTWOKF7ZW \
  | 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: 8692c4707bc28914c054d2676728bfcd8f1f06f971283d155d7514d7a089fcc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc2fd24fe319b239c937468c73d5105ca1e584d54926f88e55e1a066e4a30f8b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2026-07-26T14:33:16Z",
    "title_canon_sha256": "f5a81c30d23792cbf88f6ad66782385a590110888c1f4aab77b1122d730936fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23686",
    "kind": "arxiv",
    "version": 1
  }
}