Pith Number

pith:GQEIXUTP

pith:2018:GQEIXUTPHETNZIEU6EED4ZTCZ5

not attested not anchored not stored refs pending

Forcing axioms, approachability, and stationary set reflection

Sean D. Cox

arxiv:1807.06129 v3 · 2018-07-16 · 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{GQEIXUTPHETNZIEU6EED4ZTCZ5}

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.

Cited by

1 paper in Pith

Adjoining only the things you want: a survey of Strong Chang's Conjecture and related topics

Receipt and verification

First computed	2026-07-05T06:22:50.191071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34088bd26f3926dca094f1083e6662cf431fb0419dc747ac28fa25876808f831

Aliases

arxiv: 1807.06129 · arxiv_version: 1807.06129v3 · doi: 10.48550/arxiv.1807.06129 · pith_short_12: GQEIXUTPHETN · pith_short_16: GQEIXUTPHETNZIEU · pith_short_8: GQEIXUTP

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/GQEIXUTPHETNZIEU6EED4ZTCZ5 \
  | 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: 34088bd26f3926dca094f1083e6662cf431fb0419dc747ac28fa25876808f831

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2ca286259421afee38911cd2a43be6272734350102ce3663f3a9dda9d67fa0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-07-16T21:55:40Z",
    "title_canon_sha256": "b1db9f2ba3ba8a240d721e70df7174c1196eb76d80c11c4507e22f5aa534c9f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06129",
    "kind": "arxiv",
    "version": 3
  }
}