Pith Number

pith:3OK7Q2UI

pith:2012:3OK7Q2UIRQGUVYRMVSTR6ONLKB

not attested not anchored not stored refs pending

Skeletally Dugundji spaces

A. Kucharski, Sz. Plewik, V. Valov

arxiv:1206.1132 v1 · 2012-06-06 · 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{3OK7Q2UIRQGUVYRMVSTR6ONLKB}

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	2026-05-18T00:53:51.722205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db95f86a888c0d4ae22caca71f39ab50418330d722a129b9790141fcac8f25a2

Aliases

arxiv: 1206.1132 · arxiv_version: 1206.1132v1 · doi: 10.48550/arxiv.1206.1132 · pith_short_12: 3OK7Q2UIRQGU · pith_short_16: 3OK7Q2UIRQGUVYRM · pith_short_8: 3OK7Q2UI

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/3OK7Q2UIRQGUVYRMVSTR6ONLKB \
  | 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: db95f86a888c0d4ae22caca71f39ab50418330d722a129b9790141fcac8f25a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8ac55e2a39cca94e46041d2ed47b0533b32a891a18eec70e0a5dabaa99b37a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2012-06-06T06:55:38Z",
    "title_canon_sha256": "6e3bb0f290c8b9213d02173dec87dd31a37173163c70cd4c0989f70d3603a763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1132",
    "kind": "arxiv",
    "version": 1
  }
}