Pith Number

pith:LTP7732D

pith:2012:LTP7732D5LE4DCFUY662T6KCCA

not attested not anchored not stored refs pending

Linear spaces of matrices of constant rank and instanton bundles

Ada Boralevi, Daniele Faenzi, Emilia Mezzetti

arxiv:1207.6299 v2 · 2012-07-26 · 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{LTP7732D5LE4DCFUY662T6KCCA}

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	2026-05-18T03:10:26.899362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cdfffef43eac9c188b4c7bda9f9421026f4accc2117a01bdbaa0574ea9389d0

Aliases

arxiv: 1207.6299 · arxiv_version: 1207.6299v2 · doi: 10.48550/arxiv.1207.6299 · pith_short_12: LTP7732D5LE4 · pith_short_16: LTP7732D5LE4DCFU · pith_short_8: LTP7732D

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/LTP7732D5LE4DCFUY662T6KCCA \
  | 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: 5cdfffef43eac9c188b4c7bda9f9421026f4accc2117a01bdbaa0574ea9389d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61e8adbb4fba84a26ac59ff12c9e9b755fca01a50837fc3660c451f2e4934337",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-07-26T15:32:33Z",
    "title_canon_sha256": "f79cd3ff69b2d5e8d0062ea356f13f2b75495f127dc7cf089bda33f30869e81f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6299",
    "kind": "arxiv",
    "version": 2
  }
}