Pith Number

pith:R4YK4OOK

pith:2016:R4YK4OOK2RYFHCBHTZOCMZCLPD

not attested not anchored not stored refs pending

Generic I0 at $\aleph_\omega$

Vincenzo Dimonte

arxiv:1609.07970 v3 · 2016-09-26 · 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{R4YK4OOK2RYFHCBHTZOCMZCLPD}

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	2026-05-18T00:27:53.129180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f30ae39cad4705388279e5c26644b78cc0be7586671f4c2de2f648d77789ea8

Aliases

arxiv: 1609.07970 · arxiv_version: 1609.07970v3 · doi: 10.48550/arxiv.1609.07970 · pith_short_12: R4YK4OOK2RYF · pith_short_16: R4YK4OOK2RYFHCBH · pith_short_8: R4YK4OOK

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/R4YK4OOK2RYFHCBHTZOCMZCLPD \
  | 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: 8f30ae39cad4705388279e5c26644b78cc0be7586671f4c2de2f648d77789ea8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "734d8cf845f5e599d509c6d46f5225d19faff9741e6532f88104910cc0da8ce7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-09-26T13:52:41Z",
    "title_canon_sha256": "0f6966969a199232dd03a621c0d332d3ab37a4ac048b45efe55ad9934e27080b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07970",
    "kind": "arxiv",
    "version": 3
  }
}