Pith Number

pith:JLW7DY7M

pith:2012:JLW7DY7MSDAN4UZXSYJNLAS25Y

not attested not anchored not stored refs pending

Variation of geometric invariant theory quotients and derived categories

David Favero, Ludmil Katzarkov, Matthew Ballard

arxiv:1203.6643 v4 · 2012-03-29 · 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{JLW7DY7MSDAN4UZXSYJNLAS25Y}

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	2026-05-18T02:52:04.376071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4aedf1e3ec90c0de53379612d5825aee14c6a0a71f90ec3517eb3ffa36aba5c7

Aliases

arxiv: 1203.6643 · arxiv_version: 1203.6643v4 · doi: 10.48550/arxiv.1203.6643 · pith_short_12: JLW7DY7MSDAN · pith_short_16: JLW7DY7MSDAN4UZX · pith_short_8: JLW7DY7M

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/JLW7DY7MSDAN4UZXSYJNLAS25Y \
  | 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: 4aedf1e3ec90c0de53379612d5825aee14c6a0a71f90ec3517eb3ffa36aba5c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf1c79756f7fc17ff88091b7ef8f87582e2e8aacd065f407f605c4a44f2c052c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-03-29T19:45:37Z",
    "title_canon_sha256": "ec06302ab67a9133a8870e14b7e2bdfcb3773b2907a8209816f0d59c69b2fc3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6643",
    "kind": "arxiv",
    "version": 4
  }
}