Pith Number

pith:SPDU77JN

pith:2019:SPDU77JNHTHQAAOVFAFCDRDQOG

not attested not anchored not stored refs pending

On the inductive limit of direct sums of simple TAI algebras

Bo Cui, Chunlan Jiang, Liangqing Li

arxiv:1905.12451 v1 · 2019-05-28 · 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{SPDU77JNHTHQAAOVFAFCDRDQOG}

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	2026-05-17T23:44:44.248262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c74ffd2d3ccf0001d5280a21c470718bd426337c10bf62e0fbf7dc35f0c2d5

Aliases

arxiv: 1905.12451 · arxiv_version: 1905.12451v1 · doi: 10.48550/arxiv.1905.12451 · pith_short_12: SPDU77JNHTHQ · pith_short_16: SPDU77JNHTHQAAOV · pith_short_8: SPDU77JN

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/SPDU77JNHTHQAAOVFAFCDRDQOG \
  | 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: 93c74ffd2d3ccf0001d5280a21c470718bd426337c10bf62e0fbf7dc35f0c2d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa8c7543508dfd4e30241db7b764b82cd01d72bf8a081997df9f922000760292",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2019-05-28T14:31:54Z",
    "title_canon_sha256": "a6f604ed32d9ce79ac5ad419815b24ad9a12192c9b245acfade023dc768a0083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12451",
    "kind": "arxiv",
    "version": 1
  }
}