Pith Number

pith:BFN57QF2

pith:2008:BFN57QF2VSFIU7WFVYOHTJELBD

not attested not anchored not stored refs pending

Classification of non-symplectic automorphisms of order 3 on $K3$ surfaces

Shingo Taki

arxiv:0802.1956 v2 · 2008-02-14 · 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{BFN57QF2VSFIU7WFVYOHTJELBD}

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	2026-05-18T04:32:35.359507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

095bdfc0baac8a8a7ec5ae1c79a48b08d495f66399bc2bc6d3b3917844c102fe

Aliases

arxiv: 0802.1956 · arxiv_version: 0802.1956v2 · doi: 10.48550/arxiv.0802.1956 · pith_short_12: BFN57QF2VSFI · pith_short_16: BFN57QF2VSFIU7WF · pith_short_8: BFN57QF2

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/BFN57QF2VSFIU7WFVYOHTJELBD \
  | 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: 095bdfc0baac8a8a7ec5ae1c79a48b08d495f66399bc2bc6d3b3917844c102fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "178515ce02ddb190625348ddcb11244842b72ad3a28818771bb43dd7731e86ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-02-14T03:43:27Z",
    "title_canon_sha256": "3b51337bba64ba56b9149114b9bfe39ee5039b55bc58ac7ebf396ac59948b7d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.1956",
    "kind": "arxiv",
    "version": 2
  }
}