Pith Number

pith:Q4KVPXWM

pith:2014:Q4KVPXWMD5KTY4JFBPMRFSJB5Q

not attested not anchored not stored refs pending

On C*-algebras of irreversible algebraic dynamical systems

Nicolai Stammeier

arxiv:1411.2776 v2 · 2014-11-11 · math.OA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4KVPXWMD5KTY4JFBPMRFSJB5Q}

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	2026-05-18T01:00:20.079487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

871557decc1f553c71250bd912c921ec2d061cd55e75fdaffaa2148cf377c00b

Aliases

arxiv: 1411.2776 · arxiv_version: 1411.2776v2 · doi: 10.48550/arxiv.1411.2776 · pith_short_12: Q4KVPXWMD5KT · pith_short_16: Q4KVPXWMD5KTY4JF · pith_short_8: Q4KVPXWM

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/Q4KVPXWMD5KTY4JFBPMRFSJB5Q \
  | 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: 871557decc1f553c71250bd912c921ec2d061cd55e75fdaffaa2148cf377c00b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba537346beda3101d3e172059e06791d7c759668531064ec706ad8022d9af99",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-11-11T12:09:21Z",
    "title_canon_sha256": "3531acbbe03dae1c294f75f0d78380b1b699c9df973a3baffe61d479c5a0de9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2776",
    "kind": "arxiv",
    "version": 2
  }
}