Pith Number

pith:SZYD7YYZ

pith:2020:SZYD7YYZ34U4LIEBASTT5QURTW

not attested not anchored not stored refs pending

Elliptic quintics on cubic fourfolds, O'Grady 10, and Lagrangian fibrations

Chunyi Li, Laura Pertusi, Xiaolei Zhao

arxiv:2007.14108 v1 · 2020-07-28 · 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{SZYD7YYZ34U4LIEBASTT5QURTW}

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	2026-07-05T01:22:55.463249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96703fe319df29c5a08104a73ec2919d9734170be084cbda8d8098d17bb362f1

Aliases

arxiv: 2007.14108 · arxiv_version: 2007.14108v1 · doi: 10.48550/arxiv.2007.14108 · pith_short_12: SZYD7YYZ34U4 · pith_short_16: SZYD7YYZ34U4LIEB · pith_short_8: SZYD7YYZ

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/SZYD7YYZ34U4LIEBASTT5QURTW \
  | 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: 96703fe319df29c5a08104a73ec2919d9734170be084cbda8d8098d17bb362f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aedafb1af59fc1bc7ab49bf75667199a6bb1a485282df6bff0157d8472df200f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-07-28T10:25:17Z",
    "title_canon_sha256": "1477c99599ec709d2a819aa8a973be64edf273af99350054c1ac1f6c84831684"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14108",
    "kind": "arxiv",
    "version": 1
  }
}