Pith Number

pith:YXWDNJRM

pith:2018:YXWDNJRMUSZWPDZBHP7NMTD4LA

not attested not anchored not stored refs pending

Rigidity theory for $C^*$-dynamical systems and the "Pedersen Rigidity Problem", II

John Quigg, S. Kaliszewski, Tron Omland

arxiv:1812.09939 v2 · 2018-12-24 · 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{YXWDNJRMUSZWPDZBHP7NMTD4LA}

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	2026-05-17T23:48:39.665192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5ec36a62ca4b3678f213bfed64c7c5802de6bc5b39fd22cf30fe0bd47336010

Aliases

arxiv: 1812.09939 · arxiv_version: 1812.09939v2 · doi: 10.48550/arxiv.1812.09939 · pith_short_12: YXWDNJRMUSZW · pith_short_16: YXWDNJRMUSZWPDZB · pith_short_8: YXWDNJRM

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/YXWDNJRMUSZWPDZBHP7NMTD4LA \
  | 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: c5ec36a62ca4b3678f213bfed64c7c5802de6bc5b39fd22cf30fe0bd47336010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c493adc827f75868b9cf5ce9235f90e541f00713dda504535486a32345b433fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-12-24T15:35:43Z",
    "title_canon_sha256": "33074173855dbab294e2015022fc1af84b982b4a6a0c37d910c24308b5574062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09939",
    "kind": "arxiv",
    "version": 2
  }
}