Pith Number

pith:E6ITI66Q

pith:1996:E6ITI66QHMH5L47FYDMZGSCTZ6

not attested not anchored not stored refs pending

Cardinal preserving ideals

Moti Gitik, Saharon Shelah

arxiv:math/9605234 v1 · 1996-05-15 · 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{E6ITI66QHMH5L47FYDMZGSCTZ6}

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	2026-05-18T01:05:47.367648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2791347bd03b0fd5f3e5c0d9934853cfac3cb8e4f267ac022f127b7daa2a7c9d

Aliases

arxiv: math/9605234 · arxiv_version: math/9605234v1 · doi: 10.48550/arxiv.math/9605234 · pith_short_12: E6ITI66QHMH5 · pith_short_16: E6ITI66QHMH5L47F · pith_short_8: E6ITI66Q

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/E6ITI66QHMH5L47FYDMZGSCTZ6 \
  | 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: 2791347bd03b0fd5f3e5c0d9934853cfac3cb8e4f267ac022f127b7daa2a7c9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "950fc14e4528b231d745d30a9e318e3783fa0588a91030f5cdbb8af2cbc633f4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "1996-05-15T00:00:00Z",
    "title_canon_sha256": "d25f3bb8a5d965f911bf71c7274191c1b88b47e1e56b6d0ea26ec8944abce2cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9605234",
    "kind": "arxiv",
    "version": 1
  }
}