Pith Number

pith:HRLMMVYQ

pith:2017:HRLMMVYQ3CQYM5MXX2GSC7BCP3

not attested not anchored not stored refs pending

Free Rota-Baxter systems and a Hopf algebra structure

Jianjun Qiu, Yuqun Chen

arxiv:1703.08541 v2 · 2017-03-24 · 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{HRLMMVYQ3CQYM5MXX2GSC7BCP3}

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	2026-05-18T00:02:36.468258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c56c65710d8a1867597be8d217c227efe370f9aee0243589cc8c8ffe5546142

Aliases

arxiv: 1703.08541 · arxiv_version: 1703.08541v2 · doi: 10.48550/arxiv.1703.08541 · pith_short_12: HRLMMVYQ3CQY · pith_short_16: HRLMMVYQ3CQYM5MX · pith_short_8: HRLMMVYQ

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/HRLMMVYQ3CQYM5MXX2GSC7BCP3 \
  | 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: 3c56c65710d8a1867597be8d217c227efe370f9aee0243589cc8c8ffe5546142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94fe443a3c853aaa033bfa28f4d2404d8251fc32791824916d5915b19375f319",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-03-24T07:37:59Z",
    "title_canon_sha256": "de393c24ab6b3a4279d2347e5d1a292f1e42348a6308304bf8ffa6dc07e370d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08541",
    "kind": "arxiv",
    "version": 2
  }
}