Pith Number

pith:EPDFVHCI

pith:2014:EPDFVHCI2BDHHQY5XBTFFQ6HOJ

not attested not anchored not stored refs pending

Failures of the Silver Dichotomy in the Generalised Baire Space

Sy-David Friedman, Vadim Kulikov

arxiv:1408.4262 v1 · 2014-08-19 · 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{EPDFVHCI2BDHHQY5XBTFFQ6HOJ}

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	2026-05-18T02:44:55.773985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23c65a9c48d04673c31db86652c3c772520540fbf711f84b4e84f7417d413968

Aliases

arxiv: 1408.4262 · arxiv_version: 1408.4262v1 · doi: 10.48550/arxiv.1408.4262 · pith_short_12: EPDFVHCI2BDH · pith_short_16: EPDFVHCI2BDHHQY5 · pith_short_8: EPDFVHCI

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/EPDFVHCI2BDHHQY5XBTFFQ6HOJ \
  | 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: 23c65a9c48d04673c31db86652c3c772520540fbf711f84b4e84f7417d413968

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56dd28b7d200fe26d9ddd13c734f0af7df7f4e3b8d5d1285c9ead898b69ff647",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-08-19T09:32:01Z",
    "title_canon_sha256": "0a2fdf6562056a09eb40030ca445fbaa066a4fef3c270e4193483e4c6d04cfa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4262",
    "kind": "arxiv",
    "version": 1
  }
}