Pith Number

pith:R4W53HXI

pith:2017:R4W53HXIM5GDXDG6W6WDMVNFZ7

not attested not anchored not stored refs pending

A Kuroda-style j-translation

Benno van den Berg

arxiv:1708.08791 v2 · 2017-08-29 · 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{R4W53HXIM5GDXDG6W6WDMVNFZ7}

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	2026-05-18T00:09:04.249869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f2ddd9ee8674c3b8cdeb7ac3655a5cff69d67374b8875e087210fb2ea07eab9

Aliases

arxiv: 1708.08791 · arxiv_version: 1708.08791v2 · doi: 10.48550/arxiv.1708.08791 · pith_short_12: R4W53HXIM5GD · pith_short_16: R4W53HXIM5GDXDG6 · pith_short_8: R4W53HXI

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/R4W53HXIM5GDXDG6W6WDMVNFZ7 \
  | 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: 8f2ddd9ee8674c3b8cdeb7ac3655a5cff69d67374b8875e087210fb2ea07eab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9723d73cc17c519b81096dbe6bce2773eb752099a071cd47bb67d1a9a4b11c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-08-29T14:41:46Z",
    "title_canon_sha256": "81939b7dba3b5f2a276945163237c2378b5407f6b93ae43a117ef75e5e2929fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08791",
    "kind": "arxiv",
    "version": 2
  }
}