Pith Number

pith:DWJ553BO

pith:2013:DWJ553BOTYH7RBIGBQV2D5KEJR

not attested not anchored not stored refs pending

Stationary reflection principles and two cardinal tree properties

Boban Velickovic, Hiroshi Sakai

arxiv:1301.7528 v1 · 2013-01-31 · 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{DWJ553BOTYH7RBIGBQV2D5KEJR}

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	2026-05-18T02:39:16.911882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d93deec2e9e0ff885060c2ba1f5444c5d7c66a74f58d7bb5a9d574bec92e212

Aliases

arxiv: 1301.7528 · arxiv_version: 1301.7528v1 · doi: 10.48550/arxiv.1301.7528 · pith_short_12: DWJ553BOTYH7 · pith_short_16: DWJ553BOTYH7RBIG · pith_short_8: DWJ553BO

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/DWJ553BOTYH7RBIGBQV2D5KEJR \
  | 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: 1d93deec2e9e0ff885060c2ba1f5444c5d7c66a74f58d7bb5a9d574bec92e212

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e9ce177ba036fb6ae133c497ed00d1ba9f29a36b492087967218f2871a7c169",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-01-31T07:44:32Z",
    "title_canon_sha256": "af76a3283d3340499581b3d3494085e3148480c9324cddbecc4f0efbb20e3fb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7528",
    "kind": "arxiv",
    "version": 1
  }
}