Pith Number

pith:TE2ABAWQ

pith:2017:TE2ABAWQKWF7XHHFCOKVT2UWLX

not attested not anchored not stored refs pending

Bloch's conjecture for surfaces with involutions and of geometric genus zero

Vladimir Guletskii

arxiv:1704.04187 v3 · 2017-04-13 · 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{TE2ABAWQKWF7XHHFCOKVT2UWLX}

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

Representability of codimension three cycles

Receipt and verification

First computed	2026-05-18T00:40:58.005595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99340082d0558bfb9ce5139559ea965dfb08cc7eceaccaa27b3840d1e6be7246

Aliases

arxiv: 1704.04187 · arxiv_version: 1704.04187v3 · doi: 10.48550/arxiv.1704.04187 · pith_short_12: TE2ABAWQKWF7 · pith_short_16: TE2ABAWQKWF7XHHF · pith_short_8: TE2ABAWQ

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/TE2ABAWQKWF7XHHFCOKVT2UWLX \
  | 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: 99340082d0558bfb9ce5139559ea965dfb08cc7eceaccaa27b3840d1e6be7246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c73b09d53bebfd2624a23881ae0eb8a29ca07e67dedbce5394202dca09c283cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-04-13T15:57:43Z",
    "title_canon_sha256": "2b0518f43c25c5deb5e2de455f89eb2b3485631778c87bd7a7a7a136c619b421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04187",
    "kind": "arxiv",
    "version": 3
  }
}