Pith Number

pith:RGBYQD5G

pith:2018:RGBYQD5GFPDSC2RDXMKQJ5ANDM

not attested not anchored not stored refs pending

The absolute values and support projections for a class of operator matrices involving idempotents

Shuaijie Wang, Xiaomei Cai, Yuan Li

arxiv:1806.05443 v2 · 2018-06-14 · 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{RGBYQD5GFPDSC2RDXMKQJ5ANDM}

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	2026-05-17T23:59:43.590959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8983880fa62bc7216a23bb1504f40d1b1e4f009ad9f5ca16390747e24c88155b

Aliases

arxiv: 1806.05443 · arxiv_version: 1806.05443v2 · doi: 10.48550/arxiv.1806.05443 · pith_short_12: RGBYQD5GFPDS · pith_short_16: RGBYQD5GFPDSC2RD · pith_short_8: RGBYQD5G

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/RGBYQD5GFPDSC2RDXMKQJ5ANDM \
  | 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: 8983880fa62bc7216a23bb1504f40d1b1e4f009ad9f5ca16390747e24c88155b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d53eab7f46a4f5360d06dcdd3dfad6a8b00b879ca2eb00af177d982163ab3339",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-06-14T10:07:30Z",
    "title_canon_sha256": "10f38a35d1793c4bd220b5d6d31d529d7bcd8a6b246dd9d423026f60189fbd84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05443",
    "kind": "arxiv",
    "version": 2
  }
}