Pith Number

pith:SOSVNOK5

pith:2017:SOSVNOK5RXJXHUQL4YOQWUUHKK

not attested not anchored not stored refs pending

Just-infinite C*-algebras and their invariants

Mikael Rordam

arxiv:1705.02818 v3 · 2017-05-08 · 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{SOSVNOK5RXJXHUQL4YOQWUUHKK}

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	2026-05-18T00:27:09.527468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a556b95d8dd373d20be61d0b5287528954732b63da4009557ffff344e903ff

Aliases

arxiv: 1705.02818 · arxiv_version: 1705.02818v3 · doi: 10.48550/arxiv.1705.02818 · pith_short_12: SOSVNOK5RXJX · pith_short_16: SOSVNOK5RXJXHUQL · pith_short_8: SOSVNOK5

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/SOSVNOK5RXJXHUQL4YOQWUUHKK \
  | 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: 93a556b95d8dd373d20be61d0b5287528954732b63da4009557ffff344e903ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10bab8e1816a372afcb2b149204de0e3e6b0aac90cbfa84be18a2ba269bf6342",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-05-08T10:51:21Z",
    "title_canon_sha256": "af3f16ae3cc9544da923689466d8682bca6f46a3d63a57d2e889e311c8686055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02818",
    "kind": "arxiv",
    "version": 3
  }
}