Pith Number

pith:ERWMDPRB

pith:2019:ERWMDPRBGYT6R6MWUKGDDA2OHG

not attested not anchored not stored refs pending

A Theory of Particular Sets

Paul Blain Levy

arxiv:1905.02718 v2 · 2019-05-07 · 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{ERWMDPRBGYT6R6MWUKGDDA2OHG}

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	2026-05-17T23:43:27.621402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

246cc1be213627e8f996a28c31834e39974c48234e64841b29ee2110eb5ea8c2

Aliases

arxiv: 1905.02718 · arxiv_version: 1905.02718v2 · doi: 10.48550/arxiv.1905.02718 · pith_short_12: ERWMDPRBGYT6 · pith_short_16: ERWMDPRBGYT6R6MW · pith_short_8: ERWMDPRB

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/ERWMDPRBGYT6R6MWUKGDDA2OHG \
  | 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: 246cc1be213627e8f996a28c31834e39974c48234e64841b29ee2110eb5ea8c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2da30b2dda95932aa4ba15a631e302c1c076d412a8faa2e52801d6314c44a6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-05-07T17:59:51Z",
    "title_canon_sha256": "04e4d95ffea6aeff969168a7c37df3a263a688f52c62ea2e6c79ba560ba29fda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02718",
    "kind": "arxiv",
    "version": 2
  }
}