Pith Number

pith:ITQ2UFRQ

pith:2018:ITQ2UFRQBW4J7IODZ72TOPIFZV

not attested not anchored not stored refs pending

Hilbert's fourteenth problem and field modifications

Shigeru Kuroda

arxiv:1803.08002 v1 · 2018-03-21 · math.AC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITQ2UFRQBW4J7IODZ72TOPIFZV}

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	2026-05-18T00:20:28.295553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44e1aa16300db89fa1c3cff5373d05cd62e742e07b2f4e945ed647108d1dadd2

Aliases

arxiv: 1803.08002 · arxiv_version: 1803.08002v1 · doi: 10.48550/arxiv.1803.08002 · pith_short_12: ITQ2UFRQBW4J · pith_short_16: ITQ2UFRQBW4J7IOD · pith_short_8: ITQ2UFRQ

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/ITQ2UFRQBW4J7IODZ72TOPIFZV \
  | 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: 44e1aa16300db89fa1c3cff5373d05cd62e742e07b2f4e945ed647108d1dadd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7bc96f467e071b4407b229a1ea074c6a1c7059b00f30b17b7e88b1a5905e0fa",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-03-21T16:42:07Z",
    "title_canon_sha256": "3a1d021a487cff7eb3334f9dabedce65460065ad032b538a53377f110a39260f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08002",
    "kind": "arxiv",
    "version": 1
  }
}