Pith Number

pith:5UAOT6X7

pith:2011:5UAOT6X7R4FNCHLNQIO2RHFZSS

not attested not anchored not stored refs pending

Subcompact cardinals, squares, and stationary reflection

Andrew D. Brooke-Taylor, Sy-David Friedman

arxiv:1106.2490 v2 · 2011-06-13 · 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{5UAOT6X7R4FNCHLNQIO2RHFZSS}

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	2026-05-18T02:41:26.455715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed00e9faff8f0ad11d6d821da89cb994b1dc09c73ef541261a8bd8b8aa5c4024

Aliases

arxiv: 1106.2490 · arxiv_version: 1106.2490v2 · doi: 10.48550/arxiv.1106.2490 · pith_short_12: 5UAOT6X7R4FN · pith_short_16: 5UAOT6X7R4FNCHLN · pith_short_8: 5UAOT6X7

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/5UAOT6X7R4FNCHLNQIO2RHFZSS \
  | 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: ed00e9faff8f0ad11d6d821da89cb994b1dc09c73ef541261a8bd8b8aa5c4024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76146fd6e0df5644d74a02c220bb0319913c551222f770d80d8c7f3b62898adb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-06-13T17:07:47Z",
    "title_canon_sha256": "1b567401376b0b11958bda32a1e8040d61ec0e399ec15f68d4df27cb71306f39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2490",
    "kind": "arxiv",
    "version": 2
  }
}