Pith Number

pith:6GPOFTXH

pith:2012:6GPOFTXHK2HDQGOEI3JDXV6PWO

not attested not anchored not stored refs pending

Topological and uniform structures on universal covering spaces

A. Mitra, B. Labuz, J. Dydak, N. Brodskiy

arxiv:1206.0071 v1 · 2012-06-01 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6GPOFTXHK2HDQGOEI3JDXV6PWO}

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	2026-05-18T03:54:27.168880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f19ee2cee7568e3819c446d23bd7cfb3ade9b4a192c195e4c615e9955ea40910

Aliases

arxiv: 1206.0071 · arxiv_version: 1206.0071v1 · doi: 10.48550/arxiv.1206.0071 · pith_short_12: 6GPOFTXHK2HD · pith_short_16: 6GPOFTXHK2HDQGOE · pith_short_8: 6GPOFTXH

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/6GPOFTXHK2HDQGOEI3JDXV6PWO \
  | 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: f19ee2cee7568e3819c446d23bd7cfb3ade9b4a192c195e4c615e9955ea40910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80e48b17f9518e8a1bda4bdab4c7fab371c8826f50d1100b5676073b381010c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-06-01T03:16:09Z",
    "title_canon_sha256": "57d594fd13731852d77689d9279782cece5360ddd86cac3059d8cc86eedb9a49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0071",
    "kind": "arxiv",
    "version": 1
  }
}