Pith Number

pith:O52TMM3Y

pith:2014:O52TMM3Y2DT7DZVGWCA4DDAV65

not attested not anchored not stored refs pending

A classification of locally homogeneous affine connections on compact surfaces

Adolfo Guillot, Antonia S\'anchez Godinez

arxiv:1404.5249 v1 · 2014-04-21 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O52TMM3Y2DT7DZVGWCA4DDAV65}

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	2026-05-18T01:19:30.861597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7775363378d0e7f1e6a6b081c18c15f74364f58cf01940a29eb053ba4180c394

Aliases

arxiv: 1404.5249 · arxiv_version: 1404.5249v1 · doi: 10.48550/arxiv.1404.5249 · pith_short_12: O52TMM3Y2DT7 · pith_short_16: O52TMM3Y2DT7DZVG · pith_short_8: O52TMM3Y

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/O52TMM3Y2DT7DZVGWCA4DDAV65 \
  | 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: 7775363378d0e7f1e6a6b081c18c15f74364f58cf01940a29eb053ba4180c394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "409a89a3625e776397110c7817e7d1ea3cac6e4874a5e8b89992e9876a3d1e94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-04-21T17:28:20Z",
    "title_canon_sha256": "306c6f9721965f6cfa50c185c3608d8a76785ab699811af3b8c5e8116241d497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5249",
    "kind": "arxiv",
    "version": 1
  }
}