Pith Number

pith:T63726HU

pith:2015:T63726HUKFO7GLR3M2M3KUY6RF

not attested not anchored not stored refs pending

Infinite dimensional Ellentuck spaces and Ramsey-classification theorems

Natasha Dobrinen

arxiv:1508.06533 v2 · 2015-08-26 · 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{T63726HUKFO7GLR3M2M3KUY6RF}

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	2026-05-18T01:32:36.760359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fb7fd78f4515df32e3b6699b5531e894690c8e10d87886dba818bd37c076c20

Aliases

arxiv: 1508.06533 · arxiv_version: 1508.06533v2 · doi: 10.48550/arxiv.1508.06533 · pith_short_12: T63726HUKFO7 · pith_short_16: T63726HUKFO7GLR3 · pith_short_8: T63726HU

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/T63726HUKFO7GLR3M2M3KUY6RF \
  | 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: 9fb7fd78f4515df32e3b6699b5531e894690c8e10d87886dba818bd37c076c20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc1d5c8fcedd2e93a7e42c8ec8908581277ab00ed8268f35a086ad04b7cd2dc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-08-26T15:28:16Z",
    "title_canon_sha256": "8f6fa05ad29c308f87964dd7c0dcbfc13a35d33eb0082d74fd07d35cf7617e33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06533",
    "kind": "arxiv",
    "version": 2
  }
}