Pith Number

pith:ZMAA2TLG

pith:1995:ZMAA2TLGHAQMJDKAUEJ2YQUWOW

not attested not anchored not stored refs pending

A Note on Superamorphous Sets and Dual Dedekind-Infinity

Martin Goldstern

arxiv:math/9504201 v1 · 1995-04-18 · 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{ZMAA2TLGHAQMJDKAUEJ2YQUWOW}

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	2026-05-18T01:05:50.303990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb000d4d663820c48d40a113ac429675851d1f1810ded7ad12c87c0f512c1495

Aliases

arxiv: math/9504201 · arxiv_version: math/9504201v1 · doi: 10.48550/arxiv.math/9504201 · pith_short_12: ZMAA2TLGHAQM · pith_short_16: ZMAA2TLGHAQMJDKA · pith_short_8: ZMAA2TLG

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/ZMAA2TLGHAQMJDKAUEJ2YQUWOW \
  | 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: cb000d4d663820c48d40a113ac429675851d1f1810ded7ad12c87c0f512c1495

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd3f9dfc9b30998a52adb3640c9ae80ee6b8b207b59c78c99321712996bbd59d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "1995-04-18T00:00:00Z",
    "title_canon_sha256": "b0947be7af1058fc31a513c9d3e0b2c3754f84f3771b7f85c3fdfe41262bd41f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9504201",
    "kind": "arxiv",
    "version": 1
  }
}