Pith Number

pith:RTGASGZJ

pith:2019:RTGASGZJRA3M3TVYK6PGYN2WZ4

not attested not anchored not stored refs pending

Curves on K3 surfaces

Christian Liedtke, Frank Gounelas, Xi Chen

arxiv:1907.01207 v4 · 2019-07-02 · math.AG · 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{RTGASGZJRA3M3TVYK6PGYN2WZ4}

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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

On the geometry of K3 surfaces with finite automorphism group and no elliptic fibrations

Receipt and verification

First computed	2026-07-05T06:12:29.269685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ccc091b298836cdceb8579e6c3756cf3e87b183b461b0271d74cf9187e4560c

Aliases

arxiv: 1907.01207 · arxiv_version: 1907.01207v4 · doi: 10.48550/arxiv.1907.01207 · pith_short_12: RTGASGZJRA3M · pith_short_16: RTGASGZJRA3M3TVY · pith_short_8: RTGASGZJ

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/RTGASGZJRA3M3TVYK6PGYN2WZ4 \
  | 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: 8ccc091b298836cdceb8579e6c3756cf3e87b183b461b0271d74cf9187e4560c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a34b27dbcce51df87cc2351e5073f3d4c019b0c01672bac82286136ffa909386",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-07-02T07:33:26Z",
    "title_canon_sha256": "e9ad7e6cc28089036fcbe7760d7ebd40a930978f022caefa210e7f0fe018d820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01207",
    "kind": "arxiv",
    "version": 4
  }
}