Pith Number

pith:444PXYTT

pith:2019:444PXYTTS3YGFKTAZJL532GW4D

not attested not anchored not stored refs pending

Martin's Maximum and the Diagonal Reflection Principle

Hiroshi Sakai, Sean Cox

arxiv:1904.00262 v2 · 2019-03-30 · 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{444PXYTTS3YGFKTAZJL532GW4D}

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	2026-05-17T23:49:32.627832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e738fbe27396f062aa60ca57dde8d6e0e1b55ac310029d17366bebb8061a66fb

Aliases

arxiv: 1904.00262 · arxiv_version: 1904.00262v2 · doi: 10.48550/arxiv.1904.00262 · pith_short_12: 444PXYTTS3YG · pith_short_16: 444PXYTTS3YGFKTA · pith_short_8: 444PXYTT

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/444PXYTTS3YGFKTAZJL532GW4D \
  | 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: e738fbe27396f062aa60ca57dde8d6e0e1b55ac310029d17366bebb8061a66fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b84ed7dd376abeb996908978f78e2f58f9426222deabe0f34a9ae8f4d76c850",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-03-30T17:56:26Z",
    "title_canon_sha256": "5de2151475ab8d9d212e9c4791aaf9e0928da1c3c679a7199d433b7ff08c9b43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00262",
    "kind": "arxiv",
    "version": 2
  }
}