Pith Number

pith:J6XJGOSU

pith:1993:J6XJGOSU7ZMPV3DNAGYPL2CHES

not attested not anchored not stored refs pending

Examples for Souslin forcing

Andrzej Ros{\l}anowski, Haim Judah, Saharon Shelah

arxiv:math/9310224 v1 · 1993-10-15 · 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{J6XJGOSU7ZMPV3DNAGYPL2CHES}

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	2026-05-18T01:05:51.841991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fae933a54fe58faec6d01b0f5e84724a67af8a8783be8592d7e31bfc7b2936f

Aliases

arxiv: math/9310224 · arxiv_version: math/9310224v1 · doi: 10.48550/arxiv.math/9310224 · pith_short_12: J6XJGOSU7ZMP · pith_short_16: J6XJGOSU7ZMPV3DN · pith_short_8: J6XJGOSU

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/J6XJGOSU7ZMPV3DNAGYPL2CHES \
  | 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: 4fae933a54fe58faec6d01b0f5e84724a67af8a8783be8592d7e31bfc7b2936f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35f6ff4d952f5a7bf73c0c36c3e72d3ea6c6f55934c7118196d38f8daf6ef9c8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "1993-10-15T00:00:00Z",
    "title_canon_sha256": "48d1d8172d909a1df28426bec72cf2551e3b6c9e7ee5a53674769dc44390c06c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9310224",
    "kind": "arxiv",
    "version": 1
  }
}