Pith Number

pith:NNDTX44G

pith:2010:NNDTX44GODQVIE2V7SC7NIJYQH

not attested not anchored not stored refs pending

A non-CLP-compact product space whose finite subproducts are CLP-compact

Andrea Medini

arxiv:1005.1974 v3 · 2010-05-11 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNDTX44GODQVIE2V7SC7NIJYQH}

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	2026-05-18T04:07:06.838400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b473bf38670e1541355fc85f6a13881f040137d938bb4a1fefba9693c31fa05

Aliases

arxiv: 1005.1974 · arxiv_version: 1005.1974v3 · doi: 10.48550/arxiv.1005.1974 · pith_short_12: NNDTX44GODQV · pith_short_16: NNDTX44GODQVIE2V · pith_short_8: NNDTX44G

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/NNDTX44GODQVIE2V7SC7NIJYQH \
  | 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: 6b473bf38670e1541355fc85f6a13881f040137d938bb4a1fefba9693c31fa05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "179f32389714ba8b189da1177769799ede98cea59d0ef5931d46618a7eca2e65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2010-05-11T23:45:21Z",
    "title_canon_sha256": "4e1931e6f20b35e1024c043a2411880f151df0cda65cf49a9dce4aa7cdbf8282"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1974",
    "kind": "arxiv",
    "version": 3
  }
}