Pith Number

pith:2JSB3MKT

pith:2018:2JSB3MKTXAVDCRMMMEKKRE4MQ3

not attested not anchored not stored refs pending

Elliptic fibrations on K3 surfaces with a non-symplectic involution fixing rational curves and a curve of positive genus

Alice Garbagnati, Cec\'ilia Salgado

arxiv:1806.03097 v1 · 2018-06-08 · 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{2JSB3MKTXAVDCRMMMEKKRE4MQ3}

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	2026-05-18T00:13:49.675739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2641db153b82a31458c6114a8938c86f04b87a28b53ad535fb8a3ba7766e53b

Aliases

arxiv: 1806.03097 · arxiv_version: 1806.03097v1 · doi: 10.48550/arxiv.1806.03097 · pith_short_12: 2JSB3MKTXAVD · pith_short_16: 2JSB3MKTXAVDCRMM · pith_short_8: 2JSB3MKT

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/2JSB3MKTXAVDCRMMMEKKRE4MQ3 \
  | 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: d2641db153b82a31458c6114a8938c86f04b87a28b53ad535fb8a3ba7766e53b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f739560902a9f943c024dae7bf3e1c0e0e911ddaac2cff418f52e75f08df48ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-06-08T11:41:28Z",
    "title_canon_sha256": "237b2c94b3c70590e4eb7e85e7435e82bd99b90d39dac05d97206b6cd41209df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03097",
    "kind": "arxiv",
    "version": 1
  }
}