Pith Number

pith:6UKAUWQP

pith:2014:6UKAUWQPXPLAO6G6ELTETRCG74

not attested not anchored not stored refs pending

Some basic properties of block operator matrices

Alatancang Chen, Guohai Jin

arxiv:1403.7732 v1 · 2014-03-30 · 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{6UKAUWQPXPLAO6G6ELTETRCG74}

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	2026-05-18T02:55:12.526725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5140a5a0fbbd60778de22e649c446ff0c8953a53dab4abf122b24219ec9b201

Aliases

arxiv: 1403.7732 · arxiv_version: 1403.7732v1 · doi: 10.48550/arxiv.1403.7732 · pith_short_12: 6UKAUWQPXPLA · pith_short_16: 6UKAUWQPXPLAO6G6 · pith_short_8: 6UKAUWQP

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/6UKAUWQPXPLAO6G6ELTETRCG74 \
  | 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: f5140a5a0fbbd60778de22e649c446ff0c8953a53dab4abf122b24219ec9b201

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abcd9029d32a636403ade062cf5003b78b4bb54eb614740a8ac359505e953977",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-03-30T10:39:25Z",
    "title_canon_sha256": "ecd248ef8ead684fa8172c5e8fa82b1e6a6afe12b389c9330111822d38149d55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7732",
    "kind": "arxiv",
    "version": 1
  }
}