Pith Number

pith:QRFLDZYC

pith:2016:QRFLDZYCIYPTEJEDRMBBILCDKS

not attested not anchored not stored refs pending

Tensor products and joint spectra for solvable Lie algebras of operators

Enrico Boasso

arxiv:1601.02122 v1 · 2016-01-09 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRFLDZYCIYPTEJEDRMBBILCDKS}

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	2026-05-18T01:23:07.252890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

844ab1e702461f3224838b02142c435495a7dbd839bff90e3cd1ffc143ac4c01

Aliases

arxiv: 1601.02122 · arxiv_version: 1601.02122v1 · doi: 10.48550/arxiv.1601.02122 · pith_short_12: QRFLDZYCIYPT · pith_short_16: QRFLDZYCIYPTEJED · pith_short_8: QRFLDZYC

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/QRFLDZYCIYPTEJEDRMBBILCDKS \
  | 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: 844ab1e702461f3224838b02142c435495a7dbd839bff90e3cd1ffc143ac4c01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d79dbeb761613b3aef519232caf0d1ec5f7eaaca8f60c418fc0eea5840787d72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-01-09T15:29:08Z",
    "title_canon_sha256": "3e6d11887bdc3ae89c81e13b1ae53af7e1b30d0601365670c131ddbf3cceb296"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02122",
    "kind": "arxiv",
    "version": 1
  }
}