Pith Number

pith:YEPU4BHO

pith:2026:YEPU4BHOMDQXQ24YVIPEIM43AZ

not attested not anchored not stored refs pending

Revisiting $\mathfrak b$ and $\mathfrak d$ through Interval Structures

Adam Marton, Miguel A. Cardona

arxiv:2605.21215 v1 · 2026-05-20 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YEPU4BHOMDQXQ24YVIPEIM43AZ}

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	2026-05-21T01:05:43.913589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c11f4e04ee60e1786b98aa1e44339b067d7069ecad63e881c9ed84ce20aa9f88

Aliases

arxiv: 2605.21215 · arxiv_version: 2605.21215v1 · doi: 10.48550/arxiv.2605.21215 · pith_short_12: YEPU4BHOMDQX · pith_short_16: YEPU4BHOMDQXQ24Y · pith_short_8: YEPU4BHO

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/YEPU4BHOMDQXQ24YVIPEIM43AZ \
  | 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: c11f4e04ee60e1786b98aa1e44339b067d7069ecad63e881c9ed84ce20aa9f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd2890cbce75cadafbdbb448734247b785ca64cb5d1866add114ab8ebd811063",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2026-05-20T14:10:36Z",
    "title_canon_sha256": "276700cdb0b5f02f67bd7f47bff087e73af022a54de0bbac4ee5bbf1b17ab9ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21215",
    "kind": "arxiv",
    "version": 1
  }
}