Pith Number

pith:HAPNAZP2

pith:2018:HAPNAZP2UIVN3XGD4A5XRUVHTO

not attested not anchored not stored refs pending

Set Theory and the Analyst

A. J. Ostaszewski, N. H. Bingham

arxiv:1801.09149 v1 · 2018-01-27 · math.CA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HAPNAZP2UIVN3XGD4A5XRUVHTO}

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	2026-05-18T00:24:58.403055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

381ed065faa22adddcc3e03b78d2a79b87271d81b0b0f4be91df073d9f1fa79e

Aliases

arxiv: 1801.09149 · arxiv_version: 1801.09149v1 · doi: 10.48550/arxiv.1801.09149 · pith_short_12: HAPNAZP2UIVN · pith_short_16: HAPNAZP2UIVN3XGD · pith_short_8: HAPNAZP2

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/HAPNAZP2UIVN3XGD4A5XRUVHTO \
  | 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: 381ed065faa22adddcc3e03b78d2a79b87271d81b0b0f4be91df073d9f1fa79e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f0612a67bd0f16cdff24b713a2ffe48cf7cb5ecd27e301e8dd50abcaad21b3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-01-27T23:20:35Z",
    "title_canon_sha256": "188b256a667d90e3d5381e7fc05e0855337e007b9d911c72ff4d82227bf4a787"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09149",
    "kind": "arxiv",
    "version": 1
  }
}