Pith Number

pith:R4AMXEJR

pith:2015:R4AMXEJRJM75Q725JS6XP3NIZS

not attested not anchored not stored refs pending

Hyperclass Forcing in Morse-Kelley Class Theory

Carolin Antos, Sy-David Friedman

arxiv:1510.04082 v1 · 2015-10-14 · 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{R4AMXEJRJM75Q725JS6XP3NIZS}

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	2026-05-18T01:30:09.286568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f00cb91314b3fd87f5d4cbd77eda8ccb059f46f30747ded2d5fe7a7ef497c3e

Aliases

arxiv: 1510.04082 · arxiv_version: 1510.04082v1 · doi: 10.48550/arxiv.1510.04082 · pith_short_12: R4AMXEJRJM75 · pith_short_16: R4AMXEJRJM75Q725 · pith_short_8: R4AMXEJR

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/R4AMXEJRJM75Q725JS6XP3NIZS \
  | 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: 8f00cb91314b3fd87f5d4cbd77eda8ccb059f46f30747ded2d5fe7a7ef497c3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "259c306edcbe5b0decb1580b855c37670fb94f2bab037d9a2417714259e94d97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-10-14T13:25:22Z",
    "title_canon_sha256": "55a0e700c3845dda9599644d27c1c6721b50d64866675cb6ead99bcd8bc17792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04082",
    "kind": "arxiv",
    "version": 1
  }
}