Pith Number

pith:AGZCTVRO

pith:2008:AGZCTVRORLMXWD5SYAEUBZIDRJ

not attested not anchored not stored refs pending

Twisted exterior derivatives for universal enveloping algebras I

Zoran \v{S}koda

arxiv:0806.0978 v4 · 2008-06-05 · math.QA · math.RA

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AGZCTVRORLMXWD5SYAEUBZIDRJ}

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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.

Cited by

1 paper in Pith

Examples of scalar extension Hopf algebroids over a universal enveloping algebra

Receipt and verification

First computed	2026-07-05T01:27:15.804860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01b229d62e8ad97b0fb2c00940e5038a5355e94907a187773496941eaff8498e

Aliases

arxiv: 0806.0978 · arxiv_version: 0806.0978v4 · doi: 10.48550/arxiv.0806.0978 · pith_short_12: AGZCTVRORLMX · pith_short_16: AGZCTVRORLMXWD5S · pith_short_8: AGZCTVRO

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/AGZCTVRORLMXWD5SYAEUBZIDRJ \
  | 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: 01b229d62e8ad97b0fb2c00940e5038a5355e94907a187773496941eaff8498e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1876d0dcd4fa02939ff50d1e14e2c2c0279b5053f96a638d7ea6b08ebe16f80",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2008-06-05T14:24:17Z",
    "title_canon_sha256": "d36c936469f590a28448056acbca7ee87ed6a3f449363470a689172e17bc1145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.0978",
    "kind": "arxiv",
    "version": 4
  }
}