Pith Number

pith:HUTNUFTJ

pith:2020:HUTNUFTJVWTOFDER7ITBOXMWHF

not attested not anchored not stored refs pending

On coherent Hopf 2-algebras

Xiao Han

arxiv:2005.11207 v4 · 2020-05-22 · 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{HUTNUFTJVWTOFDER7ITBOXMWHF}

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	2026-05-22T01:03:38.207605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d26da1669ada6e28c91fa26175d96394f3403574598c0d1b2f990b45886bc31

Aliases

arxiv: 2005.11207 · arxiv_version: 2005.11207v4 · doi: 10.48550/arxiv.2005.11207 · pith_short_12: HUTNUFTJVWTO · pith_short_16: HUTNUFTJVWTOFDER · pith_short_8: HUTNUFTJ

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/HUTNUFTJVWTOFDER7ITBOXMWHF \
  | 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: 3d26da1669ada6e28c91fa26175d96394f3403574598c0d1b2f990b45886bc31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7092bf4fa04607390d4af7895a097df1bf674520fbf1e5e66f4171d484dadaf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2020-05-22T14:33:53Z",
    "title_canon_sha256": "3004b3fac8130c4aed6af386f690c052257481de3f311d1ac3ea5a809db0830c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.11207",
    "kind": "arxiv",
    "version": 4
  }
}