Pith Number

pith:ZXALSFCU

pith:2016:ZXALSFCUN5Q3RBXFG3W3GQQ4UF

not attested not anchored not stored refs pending

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

John Quigg, S. Kaliszewski, Tron Omland

arxiv:1612.04088 v3 · 2016-12-13 · 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{ZXALSFCUN5Q3RBXFG3W3GQQ4UF}

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	2026-05-18T00:27:02.802937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdc0b914546f61b886e536edb3421ca153751e49dbc7f81124a75b708d2e473d

Aliases

arxiv: 1612.04088 · arxiv_version: 1612.04088v3 · doi: 10.48550/arxiv.1612.04088 · pith_short_12: ZXALSFCUN5Q3 · pith_short_16: ZXALSFCUN5Q3RBXF · pith_short_8: ZXALSFCU

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/ZXALSFCUN5Q3RBXFG3W3GQQ4UF \
  | 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: cdc0b914546f61b886e536edb3421ca153751e49dbc7f81124a75b708d2e473d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71c44e81bfb729edd749f1febbbc0aaacbc1020308e32c6e43c14c14ab63b880",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2016-12-13T10:31:31Z",
    "title_canon_sha256": "7cb8b13208fb12c2ffc26ceff1e143e5c08a52a3e9b2a6c118777ec8da0025d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04088",
    "kind": "arxiv",
    "version": 3
  }
}