Pith Number

pith:7WQVHLOZ

pith:2006:7WQVHLOZH6X6VLMXZFAVT5KNTY

not attested not anchored not stored refs pending

Derived category and Lie algebras

Fan Xu, Guanglian Zhang, Jie Xiao

arxiv:math/0604565 v2 · 2006-04-26 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WQVHLOZH6X6VLMXZFAVT5KNTY}

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.

Cited by

1 paper in Pith

GIM and Elliptic Lie algebras via Ringel--Hall Lie algebras

Receipt and verification

First computed	2026-07-04T14:54:38.400788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fda153add93fafeaad97c94159f54d9e29af0b3735c1d153ecb043ba5012a5e8

Aliases

arxiv: math/0604565 · arxiv_version: math/0604565v2 · doi: 10.48550/arxiv.math/0604565 · pith_short_12: 7WQVHLOZH6X6 · pith_short_16: 7WQVHLOZH6X6VLMX · pith_short_8: 7WQVHLOZ

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/7WQVHLOZH6X6VLMXZFAVT5KNTY \
  | 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: fda153add93fafeaad97c94159f54d9e29af0b3735c1d153ecb043ba5012a5e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09407b16dba6b9d04dabcbea6f155df9a176154d37df7362733eff293edab71a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2006-04-26T12:47:16Z",
    "title_canon_sha256": "c2449120c0cbca1f119820cb6784a6514773524b518d28fada882897142612db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0604565",
    "kind": "arxiv",
    "version": 2
  }
}