Pith Number

pith:DWDDQ6BV

pith:2016:DWDDQ6BV3VOEOAGHQR6YZEUPSM

not attested not anchored not stored refs pending

The arithmeticity of a Kodaira Fibration is determined by its universal cover

Gabino Gonz\'alez-Diez, Sebasti\'an Reyes-Carocca

arxiv:1609.04685 v1 · 2016-09-15 · 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{DWDDQ6BV3VOEOAGHQR6YZEUPSM}

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	2026-05-18T00:09:05.910566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d86387835dd5c4700c7847d8c928f93324edfe3ea4c98874a39908da3238992

Aliases

arxiv: 1609.04685 · arxiv_version: 1609.04685v1 · doi: 10.48550/arxiv.1609.04685 · pith_short_12: DWDDQ6BV3VOE · pith_short_16: DWDDQ6BV3VOEOAGH · pith_short_8: DWDDQ6BV

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/DWDDQ6BV3VOEOAGHQR6YZEUPSM \
  | 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: 1d86387835dd5c4700c7847d8c928f93324edfe3ea4c98874a39908da3238992

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6b93ce2eeef5b712c0c387ec8543d3d8a200a04aa5034fc2a72b9a2fed8167",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-15T15:01:25Z",
    "title_canon_sha256": "21f3c90e7939621ef24008c3db33d0ba508cf03676fbe26b5cecbbe5d82a4a78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04685",
    "kind": "arxiv",
    "version": 1
  }
}