Pith Number

pith:FDYECMTC

pith:2014:FDYECMTCM22GC2OBKEKJUG552T

not attested not anchored not stored refs pending

The Drinfel'd Double versus the Heisenberg Double for Hom-Hopf Algebras

Daowei Lu, Shuanhong Wang

arxiv:1409.7152 v4 · 2014-09-25 · 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{FDYECMTCM22GC2OBKEKJUG552T}

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	2026-05-18T02:20:39.936221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28f041326266b46169c151149a1bbdd4d7e43570334a40d87bc8084079122c74

Aliases

arxiv: 1409.7152 · arxiv_version: 1409.7152v4 · doi: 10.48550/arxiv.1409.7152 · pith_short_12: FDYECMTCM22G · pith_short_16: FDYECMTCM22GC2OB · pith_short_8: FDYECMTC

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/FDYECMTCM22GC2OBKEKJUG552T \
  | 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: 28f041326266b46169c151149a1bbdd4d7e43570334a40d87bc8084079122c74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c911573d7acf1e2d368601e0c03efbb016058baf99d11bd51fe183ac3879d35c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-09-25T04:30:44Z",
    "title_canon_sha256": "1167bfce6e6f8234adb39af3958a4a01f5fd402bd7c1493a6ef36225a4e7511f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7152",
    "kind": "arxiv",
    "version": 4
  }
}