Pith Number

pith:5PRGY2SO

pith:2023:5PRGY2SONQXIJY243IQIXIYTYX

not attested not anchored not stored refs pending

Bloch's conjecture for (anti-)autoequivalences on K3 surfaces

Ruxuan Zhang, Xun Yu, Zhiyuan Li

arxiv:2305.10078 v2 · 2023-05-17 · 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{5PRGY2SONQXIJY243IQIXIYTYX}

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

Constant cycle surfaces on Fano varieties of cubic fourfolds

Receipt and verification

First computed	2026-07-05T09:37:49.184503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebe26c6a4e6c2e84e35cda208ba313c5d13eff9c3fd79cfbc2aafcb61748ec98

Aliases

arxiv: 2305.10078 · arxiv_version: 2305.10078v2 · doi: 10.48550/arxiv.2305.10078 · pith_short_12: 5PRGY2SONQXI · pith_short_16: 5PRGY2SONQXIJY24 · pith_short_8: 5PRGY2SO

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/5PRGY2SONQXIJY243IQIXIYTYX \
  | 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: ebe26c6a4e6c2e84e35cda208ba313c5d13eff9c3fd79cfbc2aafcb61748ec98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c0725a301ae224a1003a58d534cd59bf2a4dff43eedff412bbdf9508ad9df82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-05-17T09:23:29Z",
    "title_canon_sha256": "0c4515bc9a6b5a34442a76865e175d447c50f817d19490b1d9428268ae43257f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.10078",
    "kind": "arxiv",
    "version": 2
  }
}