Pith Number

pith:G4SPN5MS

pith:2026:G4SPN5MSPVDSCWCXWSI3FWTHPL

not attested not anchored not stored refs pending

\'Etale and Quasicoherent Cohomological Dimensions of Subspace Arrangements

Manolis C. Tsakiris, Matteo Varbaro

arxiv:2606.20448 v1 · 2026-06-18 · 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{G4SPN5MSPVDSCWCXWSI3FWTHPL}

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	2026-06-19T16:13:12.669679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3724f6f5927d47215857b491b2da677acc54f25a1718191c8ecf21e926bbc7d0

Aliases

arxiv: 2606.20448 · arxiv_version: 2606.20448v1 · doi: 10.48550/arxiv.2606.20448 · pith_short_12: G4SPN5MSPVDS · pith_short_16: G4SPN5MSPVDSCWCX · pith_short_8: G4SPN5MS

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/G4SPN5MSPVDSCWCXWSI3FWTHPL \
  | 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: 3724f6f5927d47215857b491b2da677acc54f25a1718191c8ecf21e926bbc7d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "371fb33a6cb1ef8805626af4867248f59d9872bc323c19afcb98d1c96c2924cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-06-18T16:25:14Z",
    "title_canon_sha256": "a12ad373a6334a2665ff4773d4b7a08071843c2c7cf46fad813fb8fc59a5b709"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20448",
    "kind": "arxiv",
    "version": 1
  }
}