Pith Number

pith:BHILYOGS

pith:2011:BHILYOGS37FIY7VHJVRTGQ3CO4

not attested not anchored not stored refs pending

G2-manifolds from K3 surfaces with non-symplectic automorphisms

Frank Reidegeld, Max Pumperla

arxiv:1110.2623 v5 · 2011-10-12 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BHILYOGS37FIY7VHJVRTGQ3CO4}

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	2026-05-18T02:00:13.284156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09d0bc38d2dfca8c7ea74d63334362771fadd30a41098cb08d6188aee97144ae

Aliases

arxiv: 1110.2623 · arxiv_version: 1110.2623v5 · doi: 10.48550/arxiv.1110.2623 · pith_short_12: BHILYOGS37FI · pith_short_16: BHILYOGS37FIY7VH · pith_short_8: BHILYOGS

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/BHILYOGS37FIY7VHJVRTGQ3CO4 \
  | 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: 09d0bc38d2dfca8c7ea74d63334362771fadd30a41098cb08d6188aee97144ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8504a1a7223f9039b50fd42d7012fb2abe368ac51cf0e7fee060d20158bd378b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-12T10:15:54Z",
    "title_canon_sha256": "6a8f03a9bdc796460d8e143c66cffa37fe9c80dd04f739a32f3bc10e202d977b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2623",
    "kind": "arxiv",
    "version": 5
  }
}