Pith Number

pith:UZZVIGZX

pith:2016:UZZVIGZX5FZUYZX62LIKT2SWHO

not attested not anchored not stored refs pending

$\mathbb{A}^1$ curves on log K3 surfaces

Xi Chen, Yi Zhu

arxiv:1602.02204 v1 · 2016-02-06 · 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{UZZVIGZX5FZUYZX62LIKT2SWHO}

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	2026-05-18T00:44:24.922455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a673541b37e9734c66fed2d0a9ea563b9957cd3d7eb1d0a22aab81cf7b858a03

Aliases

arxiv: 1602.02204 · arxiv_version: 1602.02204v1 · doi: 10.48550/arxiv.1602.02204 · pith_short_12: UZZVIGZX5FZU · pith_short_16: UZZVIGZX5FZUYZX6 · pith_short_8: UZZVIGZX

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/UZZVIGZX5FZUYZX62LIKT2SWHO \
  | 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: a673541b37e9734c66fed2d0a9ea563b9957cd3d7eb1d0a22aab81cf7b858a03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ceb1ff6272fd350466801607ce5b7e12a9de11e3408a654cf53034eee6ad2c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-02-06T03:23:21Z",
    "title_canon_sha256": "2bb5ae13630feb8bdb7f311a1f17c9185979dcf0c5bb14409265aee96262dcb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02204",
    "kind": "arxiv",
    "version": 1
  }
}