Pith Number

pith:R2BMS5OI

pith:2017:R2BMS5OIFYGMOCFRSVZSTWJA3Q

not attested not anchored not stored refs pending

A Case Study in Non-Commutative Topology

Claude L. Schochet

arxiv:1711.08558 v1 · 2017-11-23 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2BMS5OIFYGMOCFRSVZSTWJA3Q}

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	2026-05-18T00:29:44.703866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e82c975c82e0cc708b1957329d920dc295ea185bad261f804b7120352b2b194

Aliases

arxiv: 1711.08558 · arxiv_version: 1711.08558v1 · doi: 10.48550/arxiv.1711.08558 · pith_short_12: R2BMS5OIFYGM · pith_short_16: R2BMS5OIFYGMOCFR · pith_short_8: R2BMS5OI

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/R2BMS5OIFYGMOCFRSVZSTWJA3Q \
  | 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: 8e82c975c82e0cc708b1957329d920dc295ea185bad261f804b7120352b2b194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42ff1f5c5db309a96ad7fbe2be04ce383e01235a20af8ce448012682eed93ba8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-11-23T02:59:58Z",
    "title_canon_sha256": "ad68b9c521d6a52d4ff4a3f48c3f7dde0a9b5941d3f88a62cfb3af83af84ca71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08558",
    "kind": "arxiv",
    "version": 1
  }
}