Pith Number

pith:RNQUNVSJ

pith:2019:RNQUNVSJAKCXFLFDVQSOPULDQM

not attested not anchored not stored refs pending

Free modified Rota-Baxter algebras and Hopf algebras

Li Guo, Xigou Zhang, Xing Gao

arxiv:1901.02869 v1 · 2019-01-09 · math.RA · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RNQUNVSJAKCXFLFDVQSOPULDQM}

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	2026-05-17T23:56:39.317048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b6146d649028572aca3ac24e7d1638302a04e6269793203601d8643b707d4f6

Aliases

arxiv: 1901.02869 · arxiv_version: 1901.02869v1 · doi: 10.48550/arxiv.1901.02869 · pith_short_12: RNQUNVSJAKCX · pith_short_16: RNQUNVSJAKCXFLFD · pith_short_8: RNQUNVSJ

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/RNQUNVSJAKCXFLFDVQSOPULDQM \
  | 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: 8b6146d649028572aca3ac24e7d1638302a04e6269793203601d8643b707d4f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d85acc36cf2f66d9652f2a186672e3c3dff455b163091a7ede0a21e5cb8aeab4",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2019-01-09T18:44:21Z",
    "title_canon_sha256": "14f7bdcbfcd8f10a51b3dfa030a15fd5d7b090a5dbf7bce7ea3ecc0da4d158d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02869",
    "kind": "arxiv",
    "version": 1
  }
}