Pith Number

pith:2YZPMH47

pith:1995:2YZPMH47LCGHLRWMWXQ63VN33L

not attested not anchored not stored refs pending

More on real-valued measurable cardinals and forcing with ideals

Moti Gitik, Saharon Shelah

arxiv:math/9507208 v1 · 1995-07-05 · 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{2YZPMH47LCGHLRWMWXQ63VN33L}

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	2026-05-18T01:05:48.529934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d632f61f9f588c75c6ccb5e1edd5bbdaf4fa1ed5d3fddba742aa7ce2a0791801

Aliases

arxiv: math/9507208 · arxiv_version: math/9507208v1 · doi: 10.48550/arxiv.math/9507208 · pith_short_12: 2YZPMH47LCGH · pith_short_16: 2YZPMH47LCGHLRWM · pith_short_8: 2YZPMH47

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/2YZPMH47LCGHLRWMWXQ63VN33L \
  | 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: d632f61f9f588c75c6ccb5e1edd5bbdaf4fa1ed5d3fddba742aa7ce2a0791801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdc6f0b8c11b3c54dd3ed6bdb4bffc64a5f7179c4c4a7b38b5d441562190c2cd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "1995-07-05T00:00:00Z",
    "title_canon_sha256": "199f5d209e15a5c1a10e884d82beb10202d4b065022674c2ff2c2dd3b255d767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9507208",
    "kind": "arxiv",
    "version": 1
  }
}