Pith Number

pith:37D2SOTZ

pith:2019:37D2SOTZ7EKIKCOL4Z74MFTW22

not attested not anchored not stored refs pending

Involutions on algebraic surfaces and the Generalised Bloch's conjecture

Kalyan Banerjee

arxiv:1906.09616 v1 · 2019-06-23 · 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{37D2SOTZ7EKIKCOL4Z74MFTW22}

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	2026-05-17T23:42:37.350429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfc7a93a79f9148509cbe67fc61676d697117364873913ccfc370c68bdab4fc9

Aliases

arxiv: 1906.09616 · arxiv_version: 1906.09616v1 · doi: 10.48550/arxiv.1906.09616 · pith_short_12: 37D2SOTZ7EKI · pith_short_16: 37D2SOTZ7EKIKCOL · pith_short_8: 37D2SOTZ

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/37D2SOTZ7EKIKCOL4Z74MFTW22 \
  | 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: dfc7a93a79f9148509cbe67fc61676d697117364873913ccfc370c68bdab4fc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3038173272978b1e762d45944d083f03347932bc8dcd33aa2f7731fef6c3377d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-06-23T17:52:58Z",
    "title_canon_sha256": "1594b7dff4f1f775aad6283e8909fbe292ae9e9eeefd9884700daf8a89d81962"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09616",
    "kind": "arxiv",
    "version": 1
  }
}