Pith Number

pith:7ORID6AX

pith:2014:7ORID6AXQ46YKW2HGXODP5AGPE

not attested not anchored not stored refs pending

K3 surfaces with an automorphism of order 66, the maximum possible

JongHae Keum

arxiv:1402.6803 v2 · 2014-02-27 · 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{7ORID6AXQ46YKW2HGXODP5AGPE}

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	2026-05-18T02:56:51.419733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fba281f817873d855b4735dc37f406790c50a30708fbc17237aa8de09644bce2

Aliases

arxiv: 1402.6803 · arxiv_version: 1402.6803v2 · doi: 10.48550/arxiv.1402.6803 · pith_short_12: 7ORID6AXQ46Y · pith_short_16: 7ORID6AXQ46YKW2H · pith_short_8: 7ORID6AX

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/7ORID6AXQ46YKW2HGXODP5AGPE \
  | 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: fba281f817873d855b4735dc37f406790c50a30708fbc17237aa8de09644bce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93f8278c7f7200025f0f66c38326f4239a85f4e7d903c0f04c50aa39a48c94d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-02-27T06:48:49Z",
    "title_canon_sha256": "6490d06427bea6c0ee4194b7254f5af3421d8ae275e7d964dad9693ddd3a5c37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6803",
    "kind": "arxiv",
    "version": 2
  }
}