Pith Number

pith:O2M2FWJ6

pith:2011:O2M2FWJ67IWORZZOWZZDAFPWQY

not attested not anchored not stored refs pending

Projective maximal families of orthogonal measures with large continuum

Asger Tornquist, Sy-David Friedman, Vera Fischer

arxiv:1106.4273 v1 · 2011-06-21 · 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{O2M2FWJ67IWORZZOWZZDAFPWQY}

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	2026-05-18T04:19:33.797431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7699a2d93efa2ce8e72eb6723015f68627b797e70bd3029bbeffdd32f2ed876b

Aliases

arxiv: 1106.4273 · arxiv_version: 1106.4273v1 · doi: 10.48550/arxiv.1106.4273 · pith_short_12: O2M2FWJ67IWO · pith_short_16: O2M2FWJ67IWORZZO · pith_short_8: O2M2FWJ6

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/O2M2FWJ67IWORZZOWZZDAFPWQY \
  | 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: 7699a2d93efa2ce8e72eb6723015f68627b797e70bd3029bbeffdd32f2ed876b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06766f32f65b2523a80df8b4180de56aa7c6458719e3d5225a5133dac0ee26b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-06-21T17:24:15Z",
    "title_canon_sha256": "79eb6757fdd528e5ab61ce27dde7f47fe718123258ac800ede0f543e8b6fbc9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4273",
    "kind": "arxiv",
    "version": 1
  }
}