Pith Number

pith:YY7RZY5Q

pith:2019:YY7RZY5QLUDGZQRY67AIN4BJO7

not attested not anchored not stored refs pending

The Grothendieck-Serre Conjecture over Semilocal Dedekind Rings

Ning Guo

arxiv:1902.02315 v3 · 2019-02-06 · 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{YY7RZY5QLUDGZQRY67AIN4BJO7}

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.

Cited by

1 paper in Pith

Constant case of the Grothendieck-Serre conjecture in mixed characteristic

Receipt and verification

First computed	2026-07-05T01:21:15.113805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c63f1ce3b05d066cc238f7c086f02977d1b94bff68327510a91f85102b818d4c

Aliases

arxiv: 1902.02315 · arxiv_version: 1902.02315v3 · doi: 10.48550/arxiv.1902.02315 · pith_short_12: YY7RZY5QLUDG · pith_short_16: YY7RZY5QLUDGZQRY · pith_short_8: YY7RZY5Q

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/YY7RZY5QLUDGZQRY67AIN4BJO7 \
  | 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: c63f1ce3b05d066cc238f7c086f02977d1b94bff68327510a91f85102b818d4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cae6994081f1a770d2a82e29e664effe3d83bd64803a8232e3a16a12332627ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-02-06T18:19:57Z",
    "title_canon_sha256": "19facd493f808fbf085dbbaa53b03edd9e140f19eabffbd9f6d135903235f118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02315",
    "kind": "arxiv",
    "version": 3
  }
}