Pith Number

pith:UD55JCH4

pith:2018:UD55JCH4W4TQUFMLS3SDXN4IQX

not attested not anchored not stored refs pending

Structural matrix algebras, generalized flags and gradings

Filoteia Besleaga, Sorin Dascalescu

arxiv:1802.03427 v1 · 2018-02-09 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UD55JCH4W4TQUFMLS3SDXN4IQX}

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	2026-05-18T00:23:51.713550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0fbd488fcb7270a158b96e43bb78885de29fd818946124f47e1d2ec5a23e052

Aliases

arxiv: 1802.03427 · arxiv_version: 1802.03427v1 · doi: 10.48550/arxiv.1802.03427 · pith_short_12: UD55JCH4W4TQ · pith_short_16: UD55JCH4W4TQUFML · pith_short_8: UD55JCH4

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/UD55JCH4W4TQUFMLS3SDXN4IQX \
  | 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: a0fbd488fcb7270a158b96e43bb78885de29fd818946124f47e1d2ec5a23e052

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9018e1acb12e97cdbfaa908f70b74f8859b54caf903450b795f996c74467a30c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-02-09T19:40:01Z",
    "title_canon_sha256": "fd7c4fafda81c07d89a900d472f2f2f034fe880d1f2a705aa0a8fd257aeff279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03427",
    "kind": "arxiv",
    "version": 1
  }
}